{ "dataset": "Joliet, IL storm events — 12-month window, 25-mile radius (floods and special weather statements excluded, matching the city page)", "license": "https://www.stormauditor.com/data-license", "provenance": "Deduplicated by StormAuditor from public NOAA/NWS records (warnings, Local Storm Reports, NCEI Storm Events) under the published methodology at https://www.stormauditor.com/methodology", "refreshed_at": "2026-08-24T09:20:11.824+00:00", "window_days": 365, "event_count": 234, "fields": { "date": "Event date (YYYY-MM-DD, local storm day)", "county": "County or county-equivalent", "city": "Nearest city/place named in the source record", "event_type": "hazard tag: wind | hail | tornado | flood | lightning", "severity": "StormAuditor severity bucket (low|moderate|high|severe)", "evidence": "evidence level of the source record", "wind_mph": "reported/estimated wind gust, mph (blank if n/a)", "hail_in": "reported/estimated hail size, inches (blank if n/a)", "source": "originating public record (NWS warning, LSR, NCEI, ...)", "lat": "event latitude (WGS84, may be blank)", "lon": "event longitude (WGS84, may be blank)" }, "events": [ { "id": "iem-lsr-2026-08-12-wind-41.26--88.48", "lat": 41.26, "lon": -88.48, "zip": "", "city": "3 NNE Verona", "date": "2026-08-12", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station: 3.3 NNE Verona.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "spc-2026-08-12-wind-41.55-27", "lat": 41.55, "lon": -88.21, "zip": "", "city": "2 NNW Shorewood", "date": "2026-08-12", "county": "Will", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 NNW Shorewood", "sourceDetail": "SPC filtered reports — 2026-08-12", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.76--88.45", "lat": 41.76, "lon": -88.45, "zip": "", "city": "Sugar Grove", "date": "2026-08-11", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Significant tree damage reported in town.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.77--88.48", "lat": 41.77, "lon": -88.48, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-08-11", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "KARR - Aurora / Sugar Grove Airport.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 85, "evidenceLevel": "observed" }, { "id": "spc-2026-08-11-wind-41.75-71", "lat": 41.75, "lon": -88.44, "zip": "", "city": "1 SE Sugar Grove", "date": "2026-08-11", "county": "Kane", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 1 SE Sugar Grove", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 97, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.62--88.43", "lat": 41.62, "lon": -88.43, "zip": "", "city": "2 SE Yorkville", "date": "2026-08-11", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 SE Yorkville", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.69-76", "lat": 41.69, "lon": -88.33, "zip": "", "city": "1 ENE Oswego", "date": "2026-08-11", "county": "Kendall", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 1 ENE Oswego", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.82--88.27", "lat": 41.82, "lon": -88.27, "zip": "", "city": "3 SE Batavia", "date": "2026-08-11", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station: KILAUROR58.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 89, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.84-85", "lat": 41.84, "lon": -88.19, "zip": "", "city": "2 NNW Warrenville", "date": "2026-08-11", "county": "Dupage", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 NNW Warrenville", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 80, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.58--88.19", "lat": 41.58, "lon": -88.19, "zip": "", "city": "2 SSE Plainfield", "date": "2026-08-11", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Received 1.59 inches of rain so far. Power out with tree and siding damage to homes.", "sourceDetail": "NWS LOT — Cocorahs via Iowa Mesonet", "windSpeedMph": 80, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.63--88.23", "lat": 41.63, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-08-11", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 2 NW Plainfield", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 85, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.63--88.23", "lat": 41.63, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-08-11", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Corrects previous tstm wnd gst report from 2 NW Plainfield.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 88, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.63--88.23", "lat": 41.63, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-08-11", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station: 2.3 NW Plainfield.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 62, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.55-88", "lat": 41.55, "lon": -88.21, "zip": "", "city": "2 NNW Shorewood", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 NNW Shorewood", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 96, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.60--88.08", "lat": 41.6, "lon": -88.08, "zip": "", "city": "NWS Chicago-Romeoville", "date": "2026-08-11", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak wind gust of 58 mph measured by Davis weather station at NWS Chicago office. Severe gusts lasted for 5 to 10 minutes as the storm moved overhead. There are numerous small branches down in the vi", "sourceDetail": "NWS LOT — Official NWS Obs via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.26-90", "lat": 41.26, "lon": -88.23, "zip": "", "city": "1 W Braidwood", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 1 W Braidwood", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.27-141", "lat": 41.27, "lon": -88.44, "zip": "", "city": "2 NNW Mazon", "date": "2026-08-11", "county": "Grundy", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 NNW Mazon", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.70-94", "lat": 41.7, "lon": -88, "zip": "", "city": "2 N Lemont", "date": "2026-08-11", "county": "Dupage", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 N Lemont", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.29-96", "lat": 41.29, "lon": -88.28, "zip": "", "city": "Coal City", "date": "2026-08-11", "county": "Grundy", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near Coal City", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.49-100", "lat": 41.49, "lon": -87.85, "zip": "", "city": "Frankfort", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near Frankfort", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 75, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.80--87.99", "lat": 41.8, "lon": -87.99, "zip": "", "city": "1 WNW Westmont", "date": "2026-08-11", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station: KILDOWNE102.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.33-106", "lat": 41.33, "lon": -87.79, "zip": "", "city": "Peotone", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near Peotone", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 87, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-08-11-wind-41.60--87.75", "lat": 41.6, "lon": -87.75, "zip": "", "city": "Oak Forest", "date": "2026-08-11", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station: KILOAKFO13.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 57, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.53-118", "lat": 41.53, "lon": -87.84, "zip": "", "city": "2 E Mokena", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 E Mokena", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 91, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.72-129", "lat": 41.72, "lon": -87.77, "zip": "", "city": "1 W Oak Lawn", "date": "2026-08-11", "county": "Cook", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 1 W Oak Lawn", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-wind-41.34-147", "lat": 41.34, "lon": -88.13, "zip": "", "city": "2 NNE Wilmington", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.93, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "wind reported near 2 NNE Wilmington", "sourceDetail": "SPC filtered reports — 2026-08-11", "windSpeedMph": 61, "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-torn-41.68-5", "lat": 41.68, "lon": -88.4, "zip": "", "city": "2 W Oswego", "date": "2026-08-11", "county": "Kendall", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 2 W Oswego", "sourceDetail": "SPC filtered reports — 2026-08-11", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-11-tornado-41.31--88.51", "lat": 41.31, "lon": -88.51, "zip": "", "city": "5 E Seneca", "date": "2026-08-11", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "An NWS storm survey confirmed that an EF-0 tornado with estimated peak winds of 80 mph, a path length of 1.6 miles, and a peak width of 250 yards occurred in Norman Township, southwest of Morris.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-08-11-tornado-41.40--88.42", "lat": 41.4, "lon": -88.42, "zip": "", "city": "3 N Morris", "date": "2026-08-11", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "An NWS storm survey confirmed that an EF-0 tornado with estimated peak winds of 80 mph, a path length of 2.2 miles, and a peak width of 150 yards occurred on the northeast side of Morris.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-torn-41.31-6", "lat": 41.31, "lon": -88.16, "zip": "", "city": "1 WNW Wilmington", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 1 WNW Wilmington", "sourceDetail": "SPC filtered reports — 2026-08-11", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-torn-41.55-7", "lat": 41.55, "lon": -87.96, "zip": "", "city": "3 N New Lenox", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 3 N New Lenox", "sourceDetail": "SPC filtered reports — 2026-08-11", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-torn-41.57-8", "lat": 41.57, "lon": -87.91, "zip": "", "city": "3 SE Homer Glen", "date": "2026-08-11", "county": "Cook", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 3 SE Homer Glen", "sourceDetail": "SPC filtered reports — 2026-08-11", "evidenceLevel": "reported" }, { "id": "spc-2026-08-11-torn-41.43-9", "lat": 41.43, "lon": -87.88, "zip": "", "city": "5 SSW Frankfort", "date": "2026-08-11", "county": "Will", "source": "SPC Storm Reports", "severity": "severe", "eventType": "tornado", "confidence": 0.93, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "tornado reported near 5 SSW Frankfort", "sourceDetail": "SPC filtered reports — 2026-08-11", "evidenceLevel": "reported" }, { "id": "asos-ARR-2026-08-11-69324", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-08-11", "county": "Kane", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 63 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR)", "windSpeedMph": 63, "evidenceLevel": "observed" }, { "id": "asos-ARR-2026-08-11-69325", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-08-11", "county": "Kane", "source": "IEM ASOS Station", "severity": "severe", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 85 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR)", "windSpeedMph": 85, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-08-09-hail-41.76--88.21", "lat": 41.76, "lon": -88.21, "zip": "", "city": "3 W Naperville", "date": "2026-08-09", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-08-09-hail-41.79--88.15", "lat": 41.79, "lon": -88.15, "zip": "", "city": "1 N Naperville", "date": "2026-08-09", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-08-09-hail-41.78--88.18", "lat": 41.78, "lon": -88.18, "zip": "", "city": "2 W Naperville", "date": "2026-08-09", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-07-28-hail-41.83--87.95", "lat": 41.83, "lon": -87.95, "zip": "", "city": "Oak Brook", "date": "2026-07-28", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media showing a hailstone roughly two inches in diameter.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-geo-2026-07-28-tornado-41.86--88.10", "lat": 41.86, "lon": -88.1, "zip": "", "city": "Wheaton", "date": "2026-07-28", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "NWS survey confirms a brief EF-0 tornado started just south of Wheaton College. Tornado was on the ground for 2 minutes or less. Peak width of 100 yards and winds of 75 mph.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-27-hail-41.84--88.04", "lat": 41.84, "lon": -88.04, "zip": "", "city": "3 W York Center", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.84--88.01", "lat": 41.84, "lon": -88.01, "zip": "", "city": "1 SW York Center", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.77--87.96", "lat": 41.77, "lon": -87.96, "zip": "", "city": "1 WSW Willowbrook", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared to social media shows half dollar size hail near 67th Street and Clarendon Hills Road. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.84--87.96", "lat": 41.84, "lon": -87.96, "zip": "", "city": "Oak Brook", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of golf ball size hail in Oak Brook. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.80--87.93", "lat": 41.8, "lon": -87.93, "zip": "", "city": "Hinsdale", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of golf ball size hail in Hinsdale. Relayed via social media. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.79--87.96", "lat": 41.79, "lon": -87.96, "zip": "", "city": "Clarendon Hills", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained spotter reported 2 inch diameter hail in Clarendon Hills. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.80--87.99", "lat": 41.8, "lon": -87.99, "zip": "", "city": "1 NW Westmont", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of golf ball size hail in northeastern Downers Grove. Hail fell for 15 minute period. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.81--88.00", "lat": 41.81, "lon": -88, "zip": "", "city": "1 NE Downers Grove", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-27-hail-41.79--87.89", "lat": 41.79, "lon": -87.89, "zip": "", "city": "1 NW Countryside", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of hail up to half dollar size near 55th Street and Willow Springs Road. Most hail stones nickel size.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.78--87.89", "lat": 41.78, "lon": -87.89, "zip": "", "city": "1 NNE Indian Head Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media of quarter to half dollar size hail in La Grange Highlands.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.80--87.97", "lat": 41.8, "lon": -87.97, "zip": "", "city": "1 NW Clarendon Hills", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Hen Egg (2.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.79--88.00", "lat": 41.79, "lon": -88, "zip": "", "city": "Downers Grove", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Measured hailstone of 2 inches in diameter. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.83--87.95", "lat": 41.83, "lon": -87.95, "zip": "", "city": "Oak Brook", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media showing a hailstone roughly two inches in diameter.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.80--87.93", "lat": 41.8, "lon": -87.93, "zip": "", "city": "Hinsdale", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail damaged vehicles.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.83--88.09", "lat": 41.83, "lon": -88.09, "zip": "", "city": "2 NW Lisle", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-27-hail-41.79--88.01", "lat": 41.79, "lon": -88.01, "zip": "", "city": "Downers Grove", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media of golf ball size hail.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.78--87.97", "lat": 41.78, "lon": -87.97, "zip": "", "city": "1 S Westmont", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 S Westmont", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-hail-41.80--87.99", "lat": 41.8, "lon": -87.99, "zip": "", "city": "1 WNW Westmont", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 WNW Westmont", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-07-27-hail-41.78--87.92", "lat": 41.78, "lon": -87.92, "zip": "", "city": "1 ENE Willowbrook", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Golf ball size hail near 63rd Street and County Line Road. Relayed via amateur radio. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.75--87.97", "lat": 41.75, "lon": -87.97, "zip": "", "city": "Darien", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.58--87.78", "lat": 41.58, "lon": -87.78, "zip": "", "city": "1 NE Tinley Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NE Tinley Park", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.66--87.98", "lat": 41.66, "lon": -87.98, "zip": "", "city": "2 SE Lemont", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.64--87.96", "lat": 41.64, "lon": -87.96, "zip": "", "city": "3 NW Homer Glen", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.67--87.71", "lat": 41.67, "lon": -87.71, "zip": "", "city": "1 SSW Merrionette Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo of hail in Alsip. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.60--87.77", "lat": 41.6, "lon": -87.77, "zip": "", "city": "1 W Oak Forest", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.55--87.85", "lat": 41.55, "lon": -87.85, "zip": "", "city": "2 NE Mokena", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.72--87.77", "lat": 41.72, "lon": -87.77, "zip": "", "city": "1 NW Oak Lawn", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.60--87.74", "lat": 41.6, "lon": -87.74, "zip": "", "city": "Oak Forest", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Also estimated 60 mph winds.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.62--87.74", "lat": 41.62, "lon": -87.74, "zip": "", "city": "1 W Midlothian", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.48--87.68", "lat": 41.48, "lon": -87.68, "zip": "", "city": "Park Forest", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Pea to Quarter sized hail.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.49--87.88", "lat": 41.49, "lon": -87.88, "zip": "", "city": "2 W Frankfort", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of quarter size hail on the west side of Frankfort. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.28--88.30", "lat": 41.28, "lon": -88.3, "zip": "", "city": "1 S Carbon Hill", "date": "2026-07-27", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-27-hail-41.57--88.26", "lat": 41.57, "lon": -88.26, "zip": "", "city": "4 SW Plainfield", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Reports of golf ball size hail near Caton Farm Road and County Line Road. Relayed via amateur radio. Time estimated by radar.", "sourceDetail": "NWS LOT — Amateur Radio via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-07-27-hail-41.55--88.19", "lat": 41.55, "lon": -88.19, "zip": "", "city": "2 SW Crystal Lawns", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.55--88.21", "lat": 41.55, "lon": -88.21, "zip": "", "city": "2 N Shorewood", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.25 }, { "id": "iem-lsr-2026-07-27-hail-41.53--88.27", "lat": 41.53, "lon": -88.27, "zip": "", "city": "4 W Shorewood", "date": "2026-07-27", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-07-27-hail-41.51--88.23", "lat": 41.51, "lon": -88.23, "zip": "", "city": "2 WSW Shorewood", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shows hail stone at least 3 inches in diameter that fell near Four Seasons Park in Shorewood. Hail stone was collected and frozen 2 minutes after it fell. Multiple other hail stones golf ball s", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-07-27-hail-41.50--88.20", "lat": 41.5, "lon": -88.2, "zip": "", "city": "1 S Shorewood", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 S Shorewood", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-27-hail-41.44--88.28", "lat": 41.44, "lon": -88.28, "zip": "", "city": "1 SW Minooka", "date": "2026-07-27", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of ping pong ball size hail near Range Road and Brannick Road.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-07-27-hail-41.44--88.24", "lat": 41.44, "lon": -88.24, "zip": "", "city": "1 SE Minooka", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of hen egg size hail near Minooka. Time estimated by radar. Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2 }, { "id": "iem-lsr-2026-07-27-wind-41.70--88.00", "lat": 41.7, "lon": -88, "zip": "", "city": "2 N Lemont", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "A 10m tower measured a peak wind gust of 77.6 mph. A 2 foot diameter willow tree was downed close by_ as well.", "sourceDetail": "NWS LOT — Other Federal via Iowa Mesonet", "windSpeedMph": 78, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-27-wind-41.74--87.78", "lat": 41.74, "lon": -87.78, "zip": "", "city": "3.0 SW Midway Airport", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Also observed nickel sized hail and 2.83 inches of rainfall.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 74, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-27-wind-41.61--87.93", "lat": 41.61, "lon": -87.93, "zip": "", "city": "1 NNE Homer Glen", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILHOMER4 reported 60 mph gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-27-wind-41.65--87.83", "lat": 41.65, "lon": -87.83, "zip": "", "city": "1 S Palos Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILPALOS2 reported 66 mph gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-27-wind-41.62--87.75", "lat": 41.62, "lon": -87.75, "zip": "", "city": "1 NNW Oak Forest", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILOAKFO13 reported 68 mph gust. Last observation prior to power outage.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-27-tornado-41.86--88.10", "lat": 41.86, "lon": -88.1, "zip": "", "city": "Wheaton", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "Corrects previous tornado report from Wheaton. NWS survey confirms a brief EF-0 tornado started just south of Wheaton College. Tornado was on the ground for 2 minutes or less. Peak width of 100 yards and winds of 75 mph.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-27-tornado-41.79--88.02", "lat": 41.79, "lon": -88.02, "zip": "", "city": "Downers Grove", "date": "2026-07-27", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "An NWS damage survey confirmed an EF-0 tornado with peak winds of 85 mph, path length of 2.1 miles, and maximum width of 100 yards impacted Downers Grove.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-27-tornado-41.63--88.08", "lat": 41.63, "lon": -88.08, "zip": "", "city": "1 SSE Romeoville", "date": "2026-07-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "An NWS damage survey confirmed an EF-0 tornado with peak winds of 80 mph, path length of 2.5 miles, and maximum width of 110 yards impacted Romeoville.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-27-tornado-41.65--87.90", "lat": 41.65, "lon": -87.9, "zip": "", "city": "3 NW Orland Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "An NWS damage survey confirmed an EF-0 tornado with peak winds of 85 mph, path length of 2.9 miles, and max width of 250 yards impacted Orland Park.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-07-27-tornado-41.63--87.85", "lat": 41.63, "lon": -87.85, "zip": "", "city": "1 N Orland Park", "date": "2026-07-27", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "TORNADO reported near 1 N Orland Park", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-04-wind-41.56--88.21", "lat": 41.56, "lon": -88.21, "zip": "", "city": "2 NNW Shorewood", "date": "2026-07-04", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station measured a wind gust of 68 mph.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 68, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-04-wind-41.47--88.06", "lat": 41.47, "lon": -88.06, "zip": "", "city": "2 SE Preston Heights", "date": "2026-07-04", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Estimated 50 to 60 mph winds at the Chicagoland Speedway.", "sourceDetail": "NWS LOT — Broadcast Media via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-04-wind-41.82--88.27", "lat": 41.82, "lon": -88.27, "zip": "", "city": "3 SE Batavia", "date": "2026-07-04", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILAUROR58 reported a 54 mph wind gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-04-wind-41.33--87.81", "lat": 41.33, "lon": -87.81, "zip": "", "city": "1 W Peotone", "date": "2026-07-04", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station KILPEOTO29 reported a wind gust of 59 mph.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-hail-41.51--88.11", "lat": 41.51, "lon": -88.11, "zip": "", "city": "Rockdale", "date": "2026-07-03", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Quarter size hail. Time estimated.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-03-hail-41.51--88.08", "lat": 41.51, "lon": -88.08, "zip": "", "city": "1 S Joliet", "date": "2026-07-03", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "1 hail reported via trained weather spotter.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-07-03-wind-41.77--88.47", "lat": 41.77, "lon": -88.47, "zip": "", "city": "1 WNW Sugar Grove", "date": "2026-07-03", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured wind gust of 51.2 knots.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-07-03-wind-41.81--88.35", "lat": 41.81, "lon": -88.35, "zip": "", "city": "1 W North Aurora", "date": "2026-07-03", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak measured wind gust of 60 mph with numerous tree branches larger than 6 inches in diameter downed.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.85--88.31", "lat": 41.85, "lon": -88.31, "zip": "", "city": "Batavia", "date": "2026-07-03", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Batavia", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.71--87.81", "lat": 41.71, "lon": -87.81, "zip": "", "city": "3 SW Burbank", "date": "2026-07-03", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak wind gust of 70 mph.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.47--88.33", "lat": 41.47, "lon": -88.33, "zip": "", "city": "4 WNW Minooka", "date": "2026-07-03", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "measured wind gust of 57.6 mph.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.51--88.11", "lat": 41.51, "lon": -88.11, "zip": "", "city": "Rockdale", "date": "2026-07-03", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Estimated winds to 60 mph. Time Estimated.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.53--87.88", "lat": 41.53, "lon": -87.88, "zip": "", "city": "Mokena", "date": "2026-07-03", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured gust to 67 mph. Tree limbs blown down.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-07-03-wind-41.70--88.21", "lat": 41.7, "lon": -88.21, "zip": "", "city": "6 SSW Naperville", "date": "2026-07-03", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILNAPER85 reported 52 mph gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "asos-bf-ARR-2026-07-03", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-07-03", "county": "Kane", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 59 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-17-wind-41.82--88.27", "lat": 41.82, "lon": -88.27, "zip": "", "city": "3 ENE North Aurora", "date": "2026-06-17", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station gusted to 51.9 mph.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 52, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-11-wind-41.76--88.17", "lat": 41.76, "lon": -88.17, "zip": "", "city": "2 SW Naperville", "date": "2026-06-11", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "60-70 mph winds estimated southwest of downtown Naperville.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-11-wind-41.71--88.02", "lat": 41.71, "lon": -88.02, "zip": "", "city": "3 NNW Lemont", "date": "2026-06-11", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak gust measured on personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-11-wind-41.75--87.79", "lat": 41.75, "lon": -87.79, "zip": "", "city": "1 ENE Bridgeview", "date": "2026-06-11", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak wind gust. Downed tree limbs and power outage_ as well.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-11-wind-41.72--87.77", "lat": 41.72, "lon": -87.77, "zip": "", "city": "1 W Oak Lawn", "date": "2026-06-11", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Corrects time of previous tstm wnd gst report from 1 W Oak Lawn.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 85, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-11-wind-41.77--88.47", "lat": 41.77, "lon": -88.47, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-06-11", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Aurora Airport ASOS ARR reported 56 mph gust. Wind gust coincident with 8.8 mb pressure fall within 1 hour.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-11-wind-41.82--88.27", "lat": 41.82, "lon": -88.27, "zip": "", "city": "3 SE Batavia", "date": "2026-06-11", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station KILAUROR58 reported 60 mph gust. 10.8 mb pressure fall over 90 minutes occurred coincident with wind gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-06-11-tornado-41.76--88.12", "lat": 41.76, "lon": -88.12, "zip": "", "city": "2 ESE Naperville", "date": "2026-06-11", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "NWS survey confirms a preliminary EF-0 tornado. Peak winds of 80 mph, width of 150 yards, and length of 1.3 miles.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "iem-geo-2026-06-11-tornado-41.72--87.86", "lat": 41.72, "lon": -87.86, "zip": "", "city": "1 S Willow Springs", "date": "2026-06-11", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "*** 6 INJ *** NWS survey confirms a preliminary EF-2 tornado. Peak winds of 120 mph, width of 350 yards, and length of 8.4 miles.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "asos-bf-C09-2026-06-11", "lat": 41.4253, "lon": -88.4186, "zip": "", "city": "MORRIS-WASHBURN", "date": "2026-06-11", "county": "Grundy", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "MORRIS-WASHBURN (C09) recorded a 52 mph gust.", "sourceDetail": "IL_ASOS automated observation — MORRIS-WASHBURN (C09) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2026-06-11", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-06-11", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 56 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-06-10-wind-41.77--88.47", "lat": 41.77, "lon": -88.47, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-06-10", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Wind gust measured at KARR.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.30--88.30", "lat": 41.3, "lon": -88.3, "zip": "", "city": "Carbon Hill", "date": "2026-06-10", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak gust measured on personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 64, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.64--88.26", "lat": 41.64, "lon": -88.26, "zip": "", "city": "4 NW Plainfield", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak gust measured on personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 58, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.74--88.07", "lat": 41.74, "lon": -88.07, "zip": "", "city": "2 SW Woodridge", "date": "2026-06-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "60 to 65 mph estimated wind gusts. Time estimated by radar.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.74--88.10", "lat": 41.74, "lon": -88.1, "zip": "", "city": "3 NNW Bolingbrook", "date": "2026-06-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Numerous tree limbs of varying sizes downed in the general area. A one foot diameter tree branch downed on Lisson Road blocking southbound traffic. Estimated 60 to 65 mph winds as the storm was movin", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.64--88.19", "lat": 41.64, "lon": -88.19, "zip": "", "city": "2 N Plainfield", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Trees down_ fascia blown off_ and siding damage.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.56--88.30", "lat": 41.56, "lon": -88.3, "zip": "", "city": "5 ENE Plattville", "date": "2026-06-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal weather station measured wind gust. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 63, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.63--88.23", "lat": 41.63, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "60 to 70 mph estimated wind gusts with small branches down.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.61--88.10", "lat": 41.61, "lon": -88.1, "zip": "", "city": "1 WNW NWS Chicago-Romeo", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak wind gust reported at KLOT.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 66, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.61--87.93", "lat": 41.61, "lon": -87.93, "zip": "", "city": "1 NNE Homer Glen", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Corrects previous tstm wnd dmg report from 1 NNE Homer Glen. Personal weather station measured 65 mph wind gust. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-06-10-wind-41.61--87.97", "lat": 41.61, "lon": -87.97, "zip": "", "city": "2 WNW Homer Glen", "date": "2026-06-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak gust measured on personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-geo-2026-06-10-tornado-41.67--87.78", "lat": 41.67, "lon": -87.78, "zip": "", "city": "1 E Palos Heights", "date": "2026-06-10", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "tornado", "confidence": 0.9, "damageTypes": [ "Structural roof failure", "Debris penetration", "Complete shingle removal" ], "description": "NWS survey confirmed a preliminary EF-0 tornado. Path length of 2.5 miles, max width of 175 yards, and peak winds of 80 mph.", "sourceDetail": "NWS LOT — NWS Storm Survey via Iowa Mesonet (GeoJSON)", "evidenceLevel": "reported" }, { "id": "asos-bf-LOT-2026-06-10", "lat": 41.6081, "lon": -88.0962, "zip": "", "city": "ROMEOVILLE/CHI", "date": "2026-06-10", "county": "Will", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ROMEOVILLE/CHI (LOT) recorded a 66 mph gust.", "sourceDetail": "IL_ASOS automated observation — ROMEOVILLE/CHI (LOT) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2026-06-10", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-06-10", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 57 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 57, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-05-18-wind-41.32--88.38", "lat": 41.32, "lon": -88.38, "zip": "", "city": "3 SE Morris", "date": "2026-05-18", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Private weather station southeast of Morris reported 55 mph gust.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-04-hail-41.57--87.78", "lat": 41.57, "lon": -87.78, "zip": "", "city": "1 E Tinley Park", "date": "2026-05-04", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-05-04-hail-41.44--88.22", "lat": 41.44, "lon": -88.22, "zip": "", "city": "1 NE Channahon", "date": "2026-05-04", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-05-04-wind-41.26--88.48", "lat": 41.26, "lon": -88.48, "zip": "", "city": "3 WNW Mazon", "date": "2026-05-04", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a Davis personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-05-04-wind-41.27--88.42", "lat": 41.27, "lon": -88.42, "zip": "", "city": "2 N Mazon", "date": "2026-05-04", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured on a Davis personal weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 59, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-27-wind-41.77--88.48", "lat": 41.77, "lon": -88.48, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-04-27", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak wind so far at KARR ASOS.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 67, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-27-wind-41.33--87.79", "lat": 41.33, "lon": -87.79, "zip": "", "city": "Peotone", "date": "2026-04-27", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "NON-TSTM WND GST reported near Peotone", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "reported" }, { "id": "asos-bf-ARR-2026-04-27", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-04-27", "county": "Kane", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 66 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 66, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-17-wind-41.77--87.90", "lat": 41.77, "lon": -87.9, "zip": "", "city": "Indian Head Park", "date": "2026-04-17", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Indian Head Park", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "asos-bf-ARR-2026-04-12", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-04-12", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 51 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 51, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-04-02-wind-41.48--88.61", "lat": 41.48, "lon": -88.61, "zip": "", "city": "3 ENE Norway", "date": "2026-04-02", "county": "La Salle", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Measured at an Ambient Personal Weather station.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 65, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-02-wind-41.74--87.78", "lat": 41.74, "lon": -87.78, "zip": "", "city": "3.0 SW Midway Airport", "date": "2026-04-02", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near 3.0 SW Midway Airport", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 70, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-02-wind-41.60--88.08", "lat": 41.6, "lon": -88.08, "zip": "", "city": "NWS Chicago-Romeoville", "date": "2026-04-02", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Estimated 60+ mph winds at NWS office.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2026-04-02-wind-41.77--87.90", "lat": 41.77, "lon": -87.9, "zip": "", "city": "Indian Head Park", "date": "2026-04-02", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "TSTM WND GST reported near Indian Head Park", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "asos-bf-LOT-2026-04-02", "lat": 41.6081, "lon": -88.0962, "zip": "", "city": "ROMEOVILLE/CHI", "date": "2026-04-02", "county": "Will", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ROMEOVILLE/CHI (LOT) recorded a 50 mph gust.", "sourceDetail": "IL_ASOS automated observation — ROMEOVILLE/CHI (LOT) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-31-hail-41.50--88.18", "lat": 41.5, "lon": -88.18, "zip": "", "city": "2 SE Shorewood", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Multiple trained spotter reports of dime to quarter size hail at and near Joliet Junior College.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-31-hail-41.52--88.16", "lat": 41.52, "lon": -88.16, "zip": "", "city": "2 E Shorewood", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-31-hail-41.50--88.03", "lat": 41.5, "lon": -88.03, "zip": "", "city": "2 SSE Ingalls Park", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 SSE Ingalls Park", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-31-hail-41.51--88.04", "lat": 41.51, "lon": -88.04, "zip": "", "city": "1 S Ingalls Park", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-31-hail-41.48--88.02", "lat": 41.48, "lon": -88.02, "zip": "", "city": "3 SSE Ingalls Park", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-31-hail-41.48--88.08", "lat": 41.48, "lon": -88.08, "zip": "", "city": "1 S Preston Heights", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared of approximately ping pong ball size hail at Route 53 and Laraway Road. Time estimated from radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-31-hail-41.50--87.97", "lat": 41.5, "lon": -87.97, "zip": "", "city": "1 S New Lenox", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-31-hail-41.50--87.95", "lat": 41.5, "lon": -87.95, "zip": "", "city": "1 SE New Lenox", "date": "2026-03-31", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.66--88.44", "lat": 41.66, "lon": -88.44, "zip": "", "city": "1 NNE Yorkville", "date": "2026-03-30", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared to office email account showing hail measuring 1 inch in diameter.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.68--88.40", "lat": 41.68, "lon": -88.4, "zip": "", "city": "2 W Oswego", "date": "2026-03-30", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 W Oswego", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.79--88.26", "lat": 41.79, "lon": -88.26, "zip": "", "city": "4 NE Aurora", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated via radar.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.75--88.38", "lat": 41.75, "lon": -88.38, "zip": "", "city": "2 NW Montgomery", "date": "2026-03-30", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NW Montgomery", "sourceDetail": "NWS LOT — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.72--88.41", "lat": 41.72, "lon": -88.41, "zip": "", "city": "3 SE Sugar Grove", "date": "2026-03-30", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-30-hail-41.67--88.23", "lat": 41.67, "lon": -88.23, "zip": "", "city": "5 NNW Plainfield", "date": "2026-03-30", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated via radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.75--88.13", "lat": 41.75, "lon": -88.13, "zip": "", "city": "2 SSE Naperville", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated via radar.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.65--88.09", "lat": 41.65, "lon": -88.09, "zip": "", "city": "1 NNE Romeoville", "date": "2026-03-30", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated from radar.", "sourceDetail": "NWS LOT — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.68--88.14", "lat": 41.68, "lon": -88.14, "zip": "", "city": "3 NW Romeoville", "date": "2026-03-30", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-30-hail-41.81--88.05", "lat": 41.81, "lon": -88.05, "zip": "", "city": "1 ENE Lisle", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared via office service account showed hail ranging from 1 to 1.25 inches in diameter.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-30-hail-41.82--88.02", "lat": 41.82, "lon": -88.02, "zip": "", "city": "2 NNW Downers Grove", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NNW Downers Grove", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-30-hail-41.82--87.95", "lat": 41.82, "lon": -87.95, "zip": "", "city": "1 S Oak Brook", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report relayed via EM. Time estimated from radar.", "sourceDetail": "NWS LOT — Emergency Mngr via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-30-hail-41.82--87.96", "lat": 41.82, "lon": -87.96, "zip": "", "city": "1 SSW Oak Brook", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated via radar.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-30-hail-41.81--87.93", "lat": 41.81, "lon": -87.93, "zip": "", "city": "1 N Hinsdale", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 N Hinsdale", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-30-hail-41.84--87.97", "lat": 41.84, "lon": -87.97, "zip": "", "city": "1 W Oak Brook", "date": "2026-03-30", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Time estimated via radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-26-hail-41.52--88.09", "lat": 41.52, "lon": -88.09, "zip": "", "city": "Joliet", "date": "2026-03-26", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Multiple reports_ pictures_ and videos from trained weather spotters and the public of pea to penny size hail.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2026-03-26-hail-41.66--87.88", "lat": 41.66, "lon": -87.88, "zip": "", "city": "3 W Palos Park", "date": "2026-03-26", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-26-hail-41.64--87.74", "lat": 41.64, "lon": -87.74, "zip": "", "city": "1 S Crestwood", "date": "2026-03-26", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-26-hail-41.68--88.14", "lat": 41.68, "lon": -88.14, "zip": "", "city": "3 NW Romeoville", "date": "2026-03-26", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-26-hail-41.60--88.02", "lat": 41.6, "lon": -88.02, "zip": "", "city": "2 ENE Lockport", "date": "2026-03-26", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 ENE Lockport", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-26-hail-41.62--87.84", "lat": 41.62, "lon": -87.84, "zip": "", "city": "1 E Orland Park", "date": "2026-03-26", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 E Orland Park", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-13-wind-41.76--88.31", "lat": 41.76, "lon": -88.31, "zip": "", "city": "Aurora", "date": "2026-03-13", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak Wind Gust.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-41.76--88.31", "lat": 41.76, "lon": -88.31, "zip": "", "city": "Aurora Airport", "date": "2026-03-13", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak Wind Gust.", "sourceDetail": "NWS LOT — ASOS via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-41.43--88.42", "lat": 41.43, "lon": -88.42, "zip": "", "city": "5 SE Lisbon", "date": "2026-03-13", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KC09 Morris Airport.", "sourceDetail": "NWS LOT — AWOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-13-wind-41.74--87.78", "lat": 41.74, "lon": -87.78, "zip": "", "city": "3.0 SW Midway Airport", "date": "2026-03-13", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak Wind Gust reported 3 SW Midway Airport.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "asos-bf-LOT-2026-03-13", "lat": 41.6081, "lon": -88.0962, "zip": "", "city": "ROMEOVILLE/CHI", "date": "2026-03-13", "county": "Will", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ROMEOVILLE/CHI (LOT) recorded a 55 mph gust.", "sourceDetail": "IL_ASOS automated observation — ROMEOVILLE/CHI (LOT) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-C09-2026-03-13", "lat": 41.4253, "lon": -88.4186, "zip": "", "city": "MORRIS-WASHBURN", "date": "2026-03-13", "county": "Grundy", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "MORRIS-WASHBURN (C09) recorded a 56 mph gust.", "sourceDetail": "IL_ASOS automated observation — MORRIS-WASHBURN (C09) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2026-03-13", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-03-13", "county": "Kane", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 60 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 60, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-03-10-hail-41.53--88.41", "lat": 41.53, "lon": -88.41, "zip": "", "city": "1 W Plattville", "date": "2026-03-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.56--88.28", "lat": 41.56, "lon": -88.28, "zip": "", "city": "5 SW Plainfield", "date": "2026-03-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via amateur radio. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-10-hail-41.62--88.23", "lat": 41.62, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "NWS employee reports 1 inch diameter hail on the west side of Plainfield.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.64--88.20", "lat": 41.64, "lon": -88.2, "zip": "", "city": "2 N Plainfield", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Half dollar size hail near 135th and IL-59. Relayed via amateur radio. Time estimated by radar.", "sourceDetail": "NWS LOT — Amateur Radio via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-10-hail-41.63--88.23", "lat": 41.63, "lon": -88.23, "zip": "", "city": "2 NW Plainfield", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Multiple reports of ping pong size hail in west and northwest Plainfield.", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-10-hail-41.68--88.14", "lat": 41.68, "lon": -88.14, "zip": "", "city": "3 NW Romeoville", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-10-hail-41.69--88.15", "lat": 41.69, "lon": -88.15, "zip": "", "city": "4 W Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of golf ball size hail in western Bolingbrook. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-10-hail-41.68--88.07", "lat": 41.68, "lon": -88.07, "zip": "", "city": "1 SSE Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Corrects previous tstm wnd dmg report from 1 SSE Bolingbrook. Quarter size hail reported near I-55 and IL-53. Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.69--88.12", "lat": 41.69, "lon": -88.12, "zip": "", "city": "3 WSW Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail up to tennis ball size in western Bolingbrook. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-03-10-hail-41.69--88.11", "lat": 41.69, "lon": -88.11, "zip": "", "city": "2 W Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-10-hail-41.73--88.05", "lat": 41.73, "lon": -88.05, "zip": "", "city": "2 S Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "delayed report.", "sourceDetail": "NWS LOT — Cocorahs via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-03-10-hail-41.71--88.07", "lat": 41.71, "lon": -88.07, "zip": "", "city": "1 NNE Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained spotter reports golfball size hail in Bolingbrook.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-10-hail-41.72--88.06", "lat": 41.72, "lon": -88.06, "zip": "", "city": "2 NE Bolingbrook", "date": "2026-03-10", "county": "Will", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 NE Bolingbrook", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-03-10-hail-41.74--88.05", "lat": 41.74, "lon": -88.05, "zip": "", "city": "1 SW Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "3 inch diameter hail in southern Woodridge. Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-03-10-hail-41.73--88.05", "lat": 41.73, "lon": -88.05, "zip": "", "city": "2 S Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.5 }, { "id": "iem-lsr-2026-03-10-hail-41.76--88.02", "lat": 41.76, "lon": -88.02, "zip": "", "city": "1 E Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 E Woodridge", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-03-10-hail-41.75--88.01", "lat": 41.75, "lon": -88.01, "zip": "", "city": "2 W Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained spotter reports quarter to half dollar size hail near 75th and Main Street in Downers Grove.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-10-hail-41.76--88.01", "lat": 41.76, "lon": -88.01, "zip": "", "city": "2 ENE Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 2 ENE Woodridge", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.25 }, { "id": "iem-lsr-2026-03-10-hail-41.76--88.04", "lat": 41.76, "lon": -88.04, "zip": "", "city": "Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media showed hail approximately 1 inch in diameter.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.75--88.04", "lat": 41.75, "lon": -88.04, "zip": "", "city": "1 SE Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Relayed via mping. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-10-hail-41.74--88.00", "lat": 41.74, "lon": -88, "zip": "", "city": "1 W Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Damage reported to cars and roofs.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-03-10-hail-41.73--87.97", "lat": 41.73, "lon": -87.97, "zip": "", "city": "1 S Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained spotter reports quarter size hail at I-55 and Cass Avenue in Darien. Time estimated by radar.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.76--87.98", "lat": 41.76, "lon": -87.98, "zip": "", "city": "1 NW Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared to social media shows 3.75 inch hail on Washington Street in Darien. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3.75 }, { "id": "iem-lsr-2026-03-10-hail-41.74--87.99", "lat": 41.74, "lon": -87.99, "zip": "", "city": "1 SW Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Trained spotter reports golfball size hail in Darien.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.75 }, { "id": "iem-lsr-2026-03-10-hail-41.75--87.97", "lat": 41.75, "lon": -87.97, "zip": "", "city": "Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared to office email account of hailstone measuring 4.8 inches in diameter near the intersection of 75th Street and Cass Ave in Darien. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 4.8 }, { "id": "iem-lsr-2026-03-10-hail-41.76--88.02", "lat": 41.76, "lon": -88.02, "zip": "", "city": "1 E Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of tennis ball size hail in southwest Downers Grove.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.5 }, { "id": "iem-lsr-2026-03-10-hail-41.77--88.00", "lat": 41.77, "lon": -88, "zip": "", "city": "2 NW Darien", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Multiple reports of baseball size hail in southeast Downers Grove.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-03-10-hail-41.77--88.01", "lat": 41.77, "lon": -88.01, "zip": "", "city": "1 S Downers Grove", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shows multiple large hail stones retrieved from near 63rd Street and Main Street in Downers Grove. Largest hail stone broke into 3 pieces during measurement_ with the largest piece 4 inches in", "sourceDetail": "NWS LOT — NWS Employee via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 4 }, { "id": "iem-lsr-2026-03-10-hail-41.77--87.97", "lat": 41.77, "lon": -87.97, "zip": "", "city": "1 S Westmont", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Public report of baseball size hail in south Westmont.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 2.75 }, { "id": "iem-lsr-2026-03-10-hail-41.79--87.97", "lat": 41.79, "lon": -87.97, "zip": "", "city": "1 S Westmont", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared on social media showing largest hailstones approximately 4 inches in diameter in Westmont.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 4 }, { "id": "iem-lsr-2026-03-10-hail-41.75--88.03", "lat": 41.75, "lon": -88.03, "zip": "", "city": "1 ESE Woodridge", "date": "2026-03-10", "county": "Dupage", "source": "IEM Local Storm Reports", "severity": "severe", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Photo shared of hail measuring 3 inches in diameter near intersection of 75th Street and Interstate 355.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 3 }, { "id": "iem-lsr-2026-03-10-hail-41.79--87.87", "lat": 41.79, "lon": -87.87, "zip": "", "city": "1 NE Countryside", "date": "2026-03-10", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "HAIL reported near 1 NE Countryside", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.67--88.54", "lat": 41.67, "lon": -88.54, "zip": "", "city": "1 N Plano", "date": "2026-03-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.74--88.50", "lat": 41.74, "lon": -88.5, "zip": "", "city": "3 SE Big Rock", "date": "2026-03-10", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.74--88.50", "lat": 41.74, "lon": -88.5, "zip": "", "city": "3 SE Big Rock", "date": "2026-03-10", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Half Dollar (1.25 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1.25 }, { "id": "iem-lsr-2026-03-10-hail-41.77--88.36", "lat": 41.77, "lon": -88.36, "zip": "", "city": "3 W Aurora", "date": "2026-03-10", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Quarter (1.00 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.60--88.55", "lat": 41.6, "lon": -88.55, "zip": "", "city": "Millbrook", "date": "2026-03-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Delayed report of 1 inch hail in Millbrook. Time estimated by radar.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "iem-lsr-2026-03-10-hail-41.62--88.43", "lat": 41.62, "lon": -88.43, "zip": "", "city": "2 SSE Yorkville", "date": "2026-03-10", "county": "Kendall", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Hail up to quarter size on the south side of Yorkville.", "sourceDetail": "NWS LOT — Trained Spotter via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 }, { "id": "asos-bf-ARR-2026-02-18", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-02-18", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 53 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 53, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-14-wind-41.77--88.48", "lat": 41.77, "lon": -88.48, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-01-14", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KARR 2 WNW Sugar Grove.", "sourceDetail": "NWS LOT — AWOS via Iowa Mesonet", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-14-wind-41.23--88.36", "lat": 41.23, "lon": -88.36, "zip": "", "city": "3 E Mazon", "date": "2026-01-14", "county": "Grundy", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Personal Weather station measured wind gust to 50 mph.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "asos-bf-ARR-2026-01-14", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-01-14", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 56 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 56, "evidenceLevel": "observed" }, { "id": "iem-lsr-2026-01-09-wind-41.77--88.48", "lat": 41.77, "lon": -88.48, "zip": "", "city": "2 WNW Sugar Grove", "date": "2026-01-09", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KARR 2 WNW Sugar Grove.", "sourceDetail": "NWS LOT — AWOS via Iowa Mesonet", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2026-01-09", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2026-01-09", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 54 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 54, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2025-12-29", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2025-12-29", "county": "Kane", "source": "IEM ASOS Station", "severity": "high", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 59 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 59, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2025-12-28", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2025-12-28", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 52 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 52, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-11-26-wind-41.85--88.31", "lat": 41.85, "lon": -88.31, "zip": "", "city": "Batavia", "date": "2025-11-26", "county": "Kane", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CO-OP Observer station BATI2 Batavia.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 50, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-26-wind-41.74--87.78", "lat": 41.74, "lon": -87.78, "zip": "", "city": "3.0 SW Midway Airport", "date": "2025-11-26", "county": "Cook", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "Peak measured wind gust so far.", "sourceDetail": "NWS LOT — CO-OP Observer via Iowa Mesonet", "windSpeedMph": 60, "evidenceLevel": "reported" }, { "id": "iem-lsr-2025-11-26-wind-41.60--88.10", "lat": 41.6, "lon": -88.1, "zip": "", "city": "1 WSW NWS Chicago-Romeo", "date": "2025-11-26", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "wind", "confidence": 0.92, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "AWOS station KLOT Romeoville - Lewis Airport.", "sourceDetail": "NWS LOT — AWOS via Iowa Mesonet", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-LOT-2025-11-26", "lat": 41.6081, "lon": -88.0962, "zip": "", "city": "ROMEOVILLE/CHI", "date": "2025-11-26", "county": "Will", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "ROMEOVILLE/CHI (LOT) recorded a 55 mph gust.", "sourceDetail": "IL_ASOS automated observation — ROMEOVILLE/CHI (LOT) [365d backfill 2026-08]", "windSpeedMph": 55, "evidenceLevel": "observed" }, { "id": "asos-bf-ARR-2025-11-26", "lat": 41.77, "lon": -88.48, "zip": "", "city": "CHICAGO/AURORA", "date": "2025-11-26", "county": "Kane", "source": "IEM ASOS Station", "severity": "moderate", "eventType": "wind", "confidence": 0.95, "damageTypes": [ "Roof shingle lift", "Soffit/fascia damage", "Tree strike risk", "Fence/screen damage" ], "description": "CHICAGO/AURORA (ARR) recorded a 50 mph gust.", "sourceDetail": "IL_ASOS automated observation — CHICAGO/AURORA (ARR) [365d backfill 2026-08]", "windSpeedMph": 50, "evidenceLevel": "observed" }, { "id": "iem-lsr-2025-09-13-hail-41.52--88.21", "lat": 41.52, "lon": -88.21, "zip": "", "city": "1 W Shorewood", "date": "2025-09-13", "county": "Will", "source": "IEM Local Storm Reports", "severity": "moderate", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report from mPING: Dime (0.75 in.).", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 0.75 }, { "id": "iem-lsr-2025-09-13-hail-41.45--88.13", "lat": 41.45, "lon": -88.13, "zip": "", "city": "3 SW Preston Heights", "date": "2025-09-13", "county": "Will", "source": "IEM Local Storm Reports", "severity": "high", "eventType": "hail", "confidence": 0.92, "damageTypes": [ "Shingle bruising", "Granule displacement", "Metal denting", "Vehicle damage" ], "description": "Report of 1 inch diameter hail. Several reports of hail up to 0.75 inch in diameter around this area_ as well.", "sourceDetail": "NWS LOT — Public via Iowa Mesonet", "evidenceLevel": "reported", "hailSizeInches": 1 } ] }