Hail history in Ann Arbor, MI
On average, NOAA recorded hail within 15 miles of the center of Ann Arbor on 1.7 days a year from 2016 to 2025, 1.5 of them with hail 1 inch or larger. NOAA recorded hail within 15 miles of the center of Ann Arbor on 34 days since 2010. The largest hail reported was 2.75 in, in 2012. 25 of those days had hail of 1 inch or larger. July has the most hail days, 11 since 2010. The most recent was August 16, 2025. NOAA also recorded high wind on 98 days, with gusts up to 82 mph.
Ranks #74 of 200 US cities for days with hail 1 inch or larger, 2016 to 2025.
- Hail days since 2010
- 34
- Largest hail
- 2.75 in
- Highest gust
- 82 mph
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
34 hail days within 15 miles since 2010, largest 2.75 in
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
Hail days by year
Bar chart of hail days per year, 2010 to 2026. 34 hail days in total; the most was 4 in 2011.
Hail days by month
Hail days by month since 2010: Jan 0, Feb 3, Mar 2, Apr 1, May 3, Jun 5, Jul 11, Aug 5, Sep 4, Oct 0, Nov 0, Dec 0.
Most recent hail days
| Date | Largest hail | Nearest report |
|---|---|---|
| Aug 16, 2025 | 1.0 in | 5.7 mi |
| May 19, 2024 | 0.88 in | 7.3 mi |
| Feb 27, 2024 | 1.0 in | 7.8 mi |
| Jul 20, 2023 | 2.0 in | 0.3 mi |
| Jul 14, 2023 | 1.25 in | 3.3 mi |
| Jun 15, 2023 | 1.75 in | 1.1 mi |
| Jun 12, 2021 | 1.0 in | 2.7 mi |
| Apr 7, 2020 | 1.5 in | 5.7 mi |
| Sep 13, 2019 | 1.25 in | 14.8 mi |
| Jul 2, 2019 | 1.25 in | 9.4 mi |
About this data
- Distances are from the center of Ann Arbor, not from any one property. Look up a street address below for a single building.
- Reports come from trained spotters and the public, so they cluster near towns and roads.
- No report does not mean no hail. Hail can fall where no one is there to report it.
- This is not a damage or insurance assessment.
98 high-wind days within 15 miles since 2010, strongest gust 82 mph
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
Most recent high-wind days
| Date | Highest gust | Nearest report |
|---|---|---|
| Sep 3, 2026 | Not recorded | 4.1 mi |
| Sep 2, 2026 | Not recorded | 14.8 mi |
| Jul 3, 2026 | 59 mph | 1.5 mi |
| May 18, 2026 | Not recorded | 3.6 mi |
| Apr 14, 2026 | 70 mph | 0.3 mi |
| Apr 4, 2026 | Not recorded | 11.8 mi |
| Jul 12, 2025 | 58 mph | 13.3 mi |
| May 15, 2025 | 64 mph | 10.8 mi |
| Mar 30, 2025 | 64 mph | 1.4 mi |
| Mar 15, 2025 | 60 mph | 2.1 mi |
About this data
- Distances are from the center of Ann Arbor, not from any one property. Look up a street address below for a single building.
- Reports come from trained spotters and the public, so they cluster near towns and roads.
- No report does not mean no hail. Hail can fall where no one is there to report it.
- Wind speed is the highest reported gust; some reports have no speed.
- This is not a damage or insurance assessment.
Gusts, tornadoes and hurricanes in Ann Arbor
Estimated peak gusts
1 day since October 1, 2021 had an estimated peak gust of 58 mph or more at Ann Arbor.
| Day | Estimated peak gust |
|---|---|
| Sep 3, 2026 | 50 mph or more |
| Mar 13, 2026 | 58 mph or more |
| Jan 9, 2026 | 50 mph or more |
| Sep 6, 2023 | 50 mph or more |
| Nov 5, 2022 | 50 mph or more |
| Aug 29, 2022 | 50 mph or more |
| Apr 14, 2022 | 50 mph or more |
| Dec 11, 2021 | 50 mph or more |
Estimates: the highest gust of each storm day in NOAA’s hourly 2.5 km wind analysis (URMA), which fills in between weather stations. Analyses like this smooth out short thunderstorm gusts, so they are best for widespread wind (hurricanes, winter storms, high wind days); for thunderstorm wind, NOAA’s wind reports are the better record. Not a measurement at any building.
Tornadoes within 10 miles
NOAA recorded 16 tornadoes whose path came within 10 miles of Ann Arbor since 1950; the strongest was rated EF3.
| Day | Rating | Path length | Closest |
|---|---|---|---|
| Apr 14, 2026 | Not rated | 3 miles | |
| Mar 15, 2012 | EF3 | 7.57 miles | 6.9 miles |
| Jun 23, 2010 | EF0 | 3.7 miles | 9.2 miles |
| Sep 30, 2006 | EF0 | 0.2 miles | 0.3 miles |
| Jun 2, 1990 | EF2 | 15 miles | 8 miles |
| Apr 3, 1988 | EF1 | 8.2 miles | 1 miles |
| Jul 21, 1983 | EF0 | 0.1 miles | 2.6 miles |
| May 31, 1982 | EF1 | 2.9 miles | 8 miles |
Show all 16Show fewer
| Day | Rating | Path length | Closest |
|---|---|---|---|
| Aug 31, 1980 | EF1 | 0.1 miles | 7.2 miles |
| Apr 8, 1980 | EF1 | 0.1 miles | 8.3 miles |
| May 13, 1978 | EF0 | 0.7 miles | 9.3 miles |
| May 22, 1977 | EF1 | 1.5 miles | 5.1 miles |
| May 25, 1975 | EF2 | 0.1 miles | 9.9 miles |
| Jun 7, 1971 | EF2 | 0.1 miles | 3.2 miles |
| May 31, 1954 | EF0 | 0.1 miles | 5.9 miles |
| Jun 8, 1953 | EF3 | 11.3 miles | 3.1 miles |
Source: NOAA/NWS Storm Prediction Center. Ratings before 2007 are on the original Fujita scale.
Hurricanes and tropical storms
2 storms in NOAA's records brought modeled tropical-storm-force winds (39 mph or more) to Ann Arbor.
| Storm | Modeled peak gust | Sustained | Closest pass |
|---|---|---|---|
| Unnamed storm, 1932 | 48 mph | 39 mph | 37 miles |
| 1900 Galveston hurricane | 55 mph | 45 mph | 81 miles |
Modeled from NOAA’s best tracks for open, flat ground; not measurements. How we model hurricane winds
35 radar hail days within 15 miles since 2020, largest 1.5 in or more
Source: NOAA MRMS radar (MESH), from October 14, 2020. Estimates of the largest hail in each 1 km cell, not measurements.
11 days with radar hail 1 inch or larger, 0 at 2 inches or larger, within 15 miles of Ann Arbor’s center.
Biggest radar hail days
- 0.75 in+
- 1.0 in+
- 1.5 in+
- 2.0 in+
- 2.5 in+
- 3.0 in+
Most recent radar hail days
| Date | Largest radar estimate |
|---|---|
| Sep 3, 2026 | 0.75 in or more |
| Sep 2, 2026 | 0.75 in or more |
| Aug 12, 2026 | 0.75 in or more |
| Jul 3, 2026 | 1.0 in or more |
| May 18, 2026 | 0.75 in or more |
| Mar 6, 2026 | 0.75 in or more |
Storms in Ann Arbor
The Storm Prediction Center's 1980 to 2006 climatology for the Detroit radar area, which takes in Ann Arbor, puts the main severe season at May 2 to August 31, with hail reports peaking in May and wind reports in July.1
Notable storms
- August 24, 2023An evening line of storms blew large trees down onto cars and streets just northwest of downtown Ann Arbor. NOAA's Storm Events Database lists $7 million in property damage around South Lyon that day.2,3
- July 20, 2023Afternoon storms dropped 1.5-inch hail, about ping pong ball size, on Ann Arbor, and hail reached 2 inches across in Ypsilanti.4,5,6
- May 13, 2014An estimated 75 mph gust 2 miles west of Ann Arbor brought down widespread trees, some of which fell onto homes and caused structural damage.7
- March 15, 2012An EF3 tornado with peak winds estimated at 135 to 140 mph tracked 7.6 miles from northwest of Dexter to near Zeeb Road, destroying two homes, severely damaging 20 and damaging at least 200. Hail reached 2.75 inches near Dexter and 2 inches in Ann Arbor. NOAA's Storm Events Database lists $12 million in property damage from the tornado.8,9,10,11
- May 9, 2000Storms dropped hail as large as oranges in Ypsilanti, then a fast line of storms caused widespread wind damage across Washtenaw County and downed several hundred trees in Ypsilanti. NOAA's Storm Events Database lists $6.07 million in property damage around Belleville and $525,000 around Milan.12,13
- July 16, 1980A morning derecho crossed far southern Lower Michigan between 7:30 and 9:30 a.m., hitting hardest along and south of I-94 from Ann Arbor to Detroit. NWS Detroit says gusts over 100 mph were reported and homes and businesses across the area had extensive damage.14
Warnings and alerts
Ann Arbor has outdoor sirens at 22 locations, sounded for any tornado warning in Washtenaw County or a severe thunderstorm warning with confirmed winds of 75 mph or greater.15 City alerts, called A2 Emergency Alerts, go out through Washtenaw County's emergency notification system, with sign-up at washtenaw.org/alerts.15
Sources
- 1. NOAA Storm Prediction Center: DTX Severe Weather Climatology
- 2. NOAA NCEI Storm Events Database: Thunderstorm Wind, Washtenaw County, August 24, 2023
- 3. NOAA NCEI Storm Events Database: Thunderstorm Wind, Oakland County, August 24, 2023
- 4. NWS Detroit/Pontiac: July 20, 2023 Severe Storms
- 5. NOAA NCEI Storm Events Database: Hail, Washtenaw County, July 20, 2023
- 6. NOAA NCEI Storm Events Database: Hail, Washtenaw County, July 20, 2023
- 7. NOAA NCEI Storm Events Database: Thunderstorm Wind, Washtenaw County, May 13, 2014
- 8. NWS Detroit/Pontiac: The Strong Tornadoes of March 15th, 2012
- 9. NOAA NCEI Storm Events Database: Tornado, Washtenaw County, March 15, 2012
- 10. NOAA NCEI Storm Events Database: Hail, Washtenaw County, March 15, 2012
- 11. NOAA NCEI Storm Events Database: Hail, Washtenaw County, March 15, 2012
- 12. NOAA NCEI Storm Events Database: Thunderstorm Wind, Washtenaw County, May 9, 2000
- 13. NOAA NCEI Storm Events Database: Thunderstorm Wind, Wayne County, May 9, 2000
- 14. NWS Detroit/Pontiac: Memorable Weather Events in Southeast Michigan
- 15. City of Ann Arbor: Alert Systems
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Questions about hail in Ann Arbor
Source: NOAA/NWS Storm Prediction Center
Data through November 1, 2026
- How often does it hail in Ann Arbor?
- NOAA recorded hail within 15 miles of the center of Ann Arbor on 1.7 days a year on average from 2016 to 2025, 1.5 of them with hail 1 inch or larger. Since 2010 it recorded 34 hail days.
- When is hail season in Ann Arbor?
- July has the most hail days within 15 miles of the center of Ann Arbor, 11 since 2010, then June (5) and August (5).
- What is the largest hail recorded in Ann Arbor?
- 2.75 in, in 2012: the largest hail NOAA recorded within 15 miles of the center of Ann Arbor since 2010.
- When did it last hail in Ann Arbor?
- NOAA's most recent hail report within 15 miles of the center of Ann Arbor is from August 16, 2025, with hail up to 1.0 in reported 5.7 miles from the center. Data through November 1, 2026.