Hail & Wind Storms in Duluth, MN — Latest Dates and Sizes
Hail and wind activity within ~25 miles of Duluth, Minnesota or recorded for its county: the last 12 months from NWS warnings, storm reports, and station measurements, plus official NOAA records back to 2010.
Latest hail and wind near Duluth
- Last reported hail (0.75 in.+, screening): August 25, 2026 — 1.00 in. reported 23.3 mi W of Duluth (3 NNE Sawyer), SPC storm report.
- Last wind gust 45 mph+ (screening): August 25, 2026 — 45 mph measured 2.1 mi E of Duluth (1 ESE Duluth), NWS Local Storm Report.
- 2026 so far: 5 hail days and 6 wind days within 25 miles (days with a storm report or station gust at the screening thresholds; warnings alone never count).
| Date | Largest reported hail | Strongest gust |
|---|---|---|
| August 25, 2026 | 1.00 in. reported | 45 mph measured |
| July 27, 2026 | 1.00 in. reported | — |
| July 17, 2026 | — | 58 mph measured |
| June 29, 2026 | 1.00 in. reported | — |
| April 17, 2026 | 1.25 in. reported | — |
| April 12, 2026 | 1.00 in. reported | — |
| March 13, 2026 | — | 62 mph measured (Wisconsin) |
| February 27, 2026 | — | 59 mph measured |
| February 18, 2026 | — | 66 mph measured (Wisconsin) |
| February 17, 2026 | — | 69 mph measured (Wisconsin) |
Was your address hit on August 25, 2026? Check any address free with the Free Report Snapshot — a YES/NO estimate at the screening thresholds.
Duluth storm facts
- StormAuditor's analysis of NOAA and National Weather Service records found 91 wind and hail events, NWS warning products included, within 25 miles of Duluth, Minnesota (including the parts of Wisconsin inside that circle) or recorded for St. Louis County in the 12 months ending October 7, 2026 (54 wind, 37 hail).
- The strongest gust within 25 miles of Duluth in the last 12 months was 69 mph, measured 2.3 mi SE of Duluth (2 NNW Superior, Wisconsin) on February 17, 2026 (NWS Local Storm Report; storm reports and station gusts only, warnings excluded).
- The largest hail reported within 25 miles of Duluth in the last 12 months was 1.25 in., 9.3 mi W of Duluth (2 NE Munger) on April 17, 2026 (NWS Local Storm Report).
- The busiest day by event count near Duluth was February 17, 2026, with 13 events.
- St. Louis County alone recorded 83 of those wind and hail events (49 wind, 34 hail); the Minnesota page ranks counties by events of every type, floods and Special Weather Statements included.
Duluth, Minnesota storm history at a glance (last 12 months)
This free weather history for Duluth — home to about 88,000 residents — draws on StormAuditor's consolidated public record: 91 wind and hail events within 25 miles of Duluth (including the parts of Wisconsin inside that circle) or recorded for St. Louis County in the trailing 12 months — 54 wind and 37 hail.
Events combine NWS warning products, observed Local Storm Reports, station measurements and official NCEI records in one event table. Because they include warnings, and wind covers thunderstorm and non-thunderstorm wind alike, they measure something different from the NCEI entry counts in the history section below; the two are not comparable year to year.
Busiest days near Duluth by event count
Ranked by the number of 12-month events, NWS warnings included, so a day with many warnings can outrank a day with larger hail.
- February 17, 2026 — 13 events incl. warnings · 13 wind
- April 17, 2026 — 8 events incl. warnings · 2 wind · 6 hail
- June 29, 2026 — 7 events incl. warnings · 4 wind · 3 hail
- July 27, 2026 — 6 events incl. warnings · 1 wind · 5 hail
- June 30, 2026 — 5 events incl. warnings · 4 wind · 1 hail
How these numbers are counted
The storm numbers on this page are counted in four different ways, plus the free address check. Each answers a different question with its own size cutoffs, area and time span, so compare numbers within one group, not across groups.
- Storm days (latest hail and wind): A day in the last 12 months when at least one report within 25 miles of Duluth showed hail 0.75 in. or larger or wind of 45 mph or more (StormAuditor screening thresholds). Reports are NWS storm reports from spotters, the public and officials, plus weather-station gusts, which count from 50 mph. A warning on its own never makes a storm day. The latest and largest hail, the latest and strongest gust, and the storm-day table all use this record. The 25-mile circle around Duluth reaches into Wisconsin. Values marked with that state's name come from there: they count for Duluth but not on the Minnesota state page, which counts reports inside Minnesota only.
- Storm-date pages (NWS severe): A storm-date page is published only when at least one report or station gust within 25 miles of a city met the National Weather Service severe criteria (hail 1.00 in. or larger, or wind 58 mph or more), at least two separate observations were logged, and the day ranks among the most significant. A storm report that relays an airport weather station's reading (the same station, the same gust and the same time) counts once, as the station reading. Not every storm day gets a page; when one does, the page and the storm-day table show the same largest hail and strongest gust.
- Events (12-month counts): Events count NWS warnings, storm reports (wind 50 mph+, hail 0.75 in.+), station gusts (50 mph+) and NCEI entries within 25 miles of Duluth or recorded for St. Louis County, tornado entries counted as wind. One event is one place on one day, counted separately for hail and for wind. A weather station or storm-report point counts once a day, at that day's highest reading, however many readings it filed; a place with hail and wind on the same day is two events. NWS warnings count once per county per day, and each NCEI entry once per place per day. A storm report that relays an airport weather station's reading (the same station, the same gust and the same time) counts once, as the station reading. The same report arriving through another feed (SPC or NCEI) is one record. Events measure how busy the area was, not whether a storm hit: one storm can bring warnings and reports from many places, so the busiest days by event count can differ from the storm days.
- NOAA history (since 2010): The official NOAA storm record (NCEI Storm Events) within 25 miles of Duluth or in St. Louis County from January 1, 2010 to the day before the 12-month window starts: hail 0.50 in.+, thunderstorm wind 40 mph+ and tornadoes. It is a separate, older record with its own "storm days" (days with any entry), so its counts are not compared with the 12-month numbers.
- Free Report Snapshot: A free YES/NO estimate for one address, from radar and wind analysis at the property rather than area reports, at the same screening thresholds: hail 0.75 in. or wind 45 mph.
Full method: Methodology and Data Sources.
Duluth hail and wind history in NOAA NCEI records, 2010–Oct. 2025
This section covers January 1, 2010 through October 6, 2025. Storms from October 7, 2025 on are in the 12-month summary above, so no date is counted in both.
Thunderstorm wind outnumbers hail here: 437 wind reports against 372 hail reports. In all: 820 NCEI Storm Events entries within 25 miles of Duluth or in St. Louis County, spread over 166 storm days.
The most storm days came in 2020, with 15; the fewest in a full year was 6, in 2013. Across 2022–2024, the area averaged 11 storm days a year, above the 15-year average of 10. Storm days rose from an average of 8.8 a year in 2010–2014 to 12 in 2020–2024.
The largest hail in these records for this area was 3.00 in. (teacup size), reported in 2020 and 2021 — most recently on September 16, 2021 in St. Louis County. Hail of 2 inches or more appears in 7 different years of this record, the latest being 2024.
The strongest measured thunderstorm gust was 74 mph on July 21, 2014 in St. Louis County. NCEI also lists 11 tornado entries for the area — one entry per county a tornado crossed.
Hail peaks in June (27% of all hail reports), while thunderstorm wind reports cluster in July. None of these NCEI storm days fell in December through February.
- Average: 10 storm days a year (2010–2024)
- June and July: 52% of all hail reports
- Most hail reports in one year: 41 in 2024
- Hail of 1 in. or larger reported in 14 of 15 full years (2010–2024)
| Year | Hail reports | Thunderstorm wind reports | Tornado entries | Storm days | Largest hail | Strongest measured gust |
|---|---|---|---|---|---|---|
| 2010 | 13 | 20 | 0 | 8 | 1.75 in. | — |
| 2011 | 33 | 10 | 0 | 11 | 2.00 in. | — |
| 2012 | 34 | 17 | 2 | 12 | 1.75 in. | 63 mph |
| 2013 | 3 | 5 | 0 | 6 | 0.75 in. | — |
| 2014 | 15 | 27 | 0 | 7 | 1.50 in. | 74 mph |
| 2015 | 16 | 8 | 1 | 7 | 1.75 in. | — |
| 2016 | 11 | 65 | 1 | 9 | 1.75 in. | 71 mph |
| 2017 | 25 | 25 | 0 | 11 | 2.50 in. | 61 mph |
| 2018 | 18 | 44 | 0 | 14 | 1.75 in. | 64 mph |
| 2019 | 6 | 14 | 3 | 9 | 1.25 in. | 61 mph |
| 2020 | 40 | 36 | 1 | 15 | 3.00 in. | — |
| 2021 | 36 | 21 | 0 | 11 | 3.00 in. | 64 mph |
| 2022 | 39 | 60 | 1 | 14 | 2.00 in. | — |
| 2023 | 26 | 26 | 0 | 9 | 2.00 in. | — |
| 2024 | 41 | 21 | 2 | 10 | 2.50 in. | — |
| 2025 through Oct. 6 | 16 | 38 | 0 | 13 | 1.50 in. | — |
Download this history: CSV · JSON at https://www.stormauditor.com/downloads/storm-history/mn/duluth.json (free, open license, cite StormAuditor).
Source: NOAA NCEI Storm Events Database (thunderstorm wind, hail, and tornado entries; hail 0.50 in. or larger, wind 40 mph or more; wind converted from knots).
Duluth storm history questions, 2010–Oct. 2025
How big did hail get in Duluth, 2010–Oct. 2025?
3.00 in., teacup size, reported in 2020 and 2021; most recently on September 16, 2021 in St. Louis County, per NCEI. Hail of 2 inches or more appears in 7 years of this record in all, most recently 2022, 2023 and 2024.
Which year had the most storm days near Duluth, 2010–Oct. 2025?
2020, with 15 storm days (40 hail reports, 36 thunderstorm wind reports, 1 tornado entry). The 15-year average is 10 storm days.
How many hail reports does Duluth see in a typical year?
About 24 hail reports a year (2010–2024 average), with 1-inch or larger hail in 14 of 15 years. Thunderstorm wind averages 27 reports a year.
What month has the most hail near Duluth?
June has the most hail reports (99, 2010–Oct. 2025), followed by July (96) and May (65).
What is the strongest measured thunderstorm gust near Duluth, 2010–Oct. 2025?
74 mph, measured on July 21, 2014 in St. Louis County. Only gusts NCEI lists as measured count here; gusts measured on a date and county with a tornado entry, and entries of 120 knots or more (known entry errors), are left out.
Duluth hail map and wind map
Researching hail or wind in Duluth? The Hail Explorer and Wind Explorer map radar-derived hail swaths and peak-gust wind swaths across Minnesota, including the Duluth metro: pick any storm date and see how estimated hail size and gust bands tracked through St. Louis County. Both explorers are included with Pro+ and Organization plans.
County-level activity is on the Impact Heatmap (free with an account), and day-by-day history is on the Storm Calendar (Pro plans and higher).
Free Duluth weather report by address
Area maps show where storms tracked; an insurance claim or roof inspection turns on what happened at the property. Three ways to check one Duluth address:
- The Free Report Snapshot answers YES/NO instantly on estimated wind of 45 mph or more and hail of 0.75 in. or larger (screening thresholds) at the address.
- The free Address Lookup lists NWS warnings, storm reports and NOAA observations near the address — free Duluth wind history and free Duluth hail history.
- A complete Weather Report for $2.99 covers every qualifying storm date at one address over the last 2 years.
All values are estimates from public NOAA data under our published methodology (see Limitations).
Storm professionals: restoration and exterior contractors, public adjusters, and crews and teams on one Organization plan work from this same public record — see StormAuditor for professionals.
Sources: NWS alerts (api.weather.gov) · NWS Local Storm Reports via the Iowa Environmental Mesonet · ASOS/AWOS station gusts via the Iowa Environmental Mesonet · NOAA NCEI Storm Events Database · every StormAuditor data source.
Free Duluth storm data download
The Duluth storm records for the last 12 months download free, free to reuse under the data license: download CSV · JSON at https://www.stormauditor.com/downloads/storm-data/mn/duluth.json.
- Coverage: every wind and hail record within about 25 miles of Duluth (including the parts of Wisconsin inside that circle) or recorded for St. Louis County, with dates, counties, event types, measured gusts and hail sizes.
- Rows: each source record before consolidation, including every NWS warning product and smaller storm reports, so the row count differs from the event counts above. The file holds Minnesota records only; the counts above also include the neighboring-state records inside the 25-mile circle.
- Statewide files are on the Minnesota storm data page.
Nearby city storm pages:
- St. Cloud hail & wind history
- St. Paul hail & wind history
- Minneapolis hail & wind history
- Plymouth hail & wind history
- Bloomington hail & wind history
- Burnsville hail & wind history
- Minnesota statewide storm data
Guides for reading this data
Cite or link to this data — free
Free to quote, summarize, reuse, and link — for bloggers, journalists, researchers, contractors, and AI writing tools. No permission or credit required. A ready-made citation and link are below if they help. Terms: StormAuditor data & content license.
Citation: StormAuditor. "Duluth, MN Hail & Wind Storm History." Updated September 11, 2026. https://www.stormauditor.com/storm-data/mn/duluth
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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.
Data last refreshed October 7, 2026. Event counts cover wind and hail (warning products, and storm reports from 50 mph or 0.75 in.); flood activity and Special Weather Statements are not counted here.