Connecticut Storm Data: Hail, Wind & Severe Weather

Deduplicated severe weather activity for Connecticut, fused from NWS warnings, storm reports, official records, and FEMA declarations.

Connecticut severe weather data — state map card, hail and wind history for the last 12 months

Connecticut severe weather at a glance (last 12 months)

StormAuditor's consolidated public record currently shows 484 storm events impacting 8 of Connecticut's 8 counties in the trailing 12 months: 257 wind events, 152 hail events, 1 tornado events, 74 flood events. Events are fused from National Weather Service warnings and Special Weather Statements, observed Local Storm Reports, official NCEI storm records, and FEMA disaster declarations, then consolidated into a single event table under the published methodology. Because a single storm can carry more than one hazard tag (a squall line can produce both wind and flood records), the per-type counts can legitimately add up to more than the consolidated total. Sub-severe statements (radar-indicated gusts of 40+ mph or hail of 0.5"+) are included at a distinct moderate tier and never counted as severe.

Biggest Connecticut storm days

July 4, 2026 — 70 recorded events (hail, wind)
July 21, 2026 — 40 recorded events (flood, hail, wind)
September 6, 2025 — 40 recorded events (hail, tornado, wind)
August 7, 2026 — 29 recorded events (flood, hail, wind)
June 6, 2026 — 26 recorded events (hail, wind)

Most impacted counties

Fairfield — 107 events (49 severe)
New Haven — 79 events (43 severe)
Hartford — 77 events (41 severe)
Litchfield — 74 events (42 severe)
Tolland — 42 events (28 severe)
New London — 36 events (17 severe)
Windham — 35 events (23 severe)
Middlesex — 34 events (21 severe)

Download the Connecticut dataset (free)

The full consolidated Connecticut event list for the trailing 12 months — dates, counties, hazard types, severities, measured gusts and hail sizes, with coordinates; source records deduplicated, and each NWS warning product listed per affected county — downloads free and stays current with the live record: download CSV · download JSON. Reusable with attribution under the data license; the JSON file carries a field dictionary and provenance notes.

Research a specific Connecticut address

Statewide counts tell you where activity concentrated; they do not tell you what happened at one property. For an individual address, run the Free Report Snapshot (an instant YES/NO against StormAuditor's screening thresholds — wind ≥ 45 mph, hail ≥ 0.75 in., deliberately below the official NWS severe criteria), use the Address Lookup, or purchase a full Weather Report for $2.99 covering every qualifying storm date at the address. Browse day-by-day activity on the Storm Calendar or compare states on the Storm Data hub.

All values are derived from public NOAA and NWS data under StormAuditor's published methodology. They are research estimates, not certified weather records — see Limitations. Data last refreshed September 6, 2026.

See where recent storms tracked on the statewide Connecticut hail map and wind map, or check the county impact heatmap.

Connecticut city storm pages: Bridgeport hail & wind history · Stamford hail & wind history · New Haven hail & wind history

Neighboring states: Massachusetts storm data · New York storm data · Rhode Island storm data

About this page: built by Storm Auditor LLC from public NOAA/NWS records — deduplicated warnings, storm reports, station measurements, and official records on a rolling 12-month window, under the published methodology. See the StormAuditor Editorial Team for how content is produced.