Washtenaw County weather alerts
There are no active weather alerts for Washtenaw County, MI right now.
Since 2016 the National Weather Service has issued about 546 alerts that included Washtenaw County, roughly 55 a year. The most common is the severe thunderstorm warning (109 from 2016 to 2025). The last tornado warning was issued on September 3, 2026. 28 tornadoes have touched down in the county since 1950.
Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS
No warnings, watches or advisories include Washtenaw County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Jackson County, Livingston County, Wayne County, Lenawee County.
Washtenaw County alert history
Alert events that included Washtenaw County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 109 | 13 | September 3, 2026 |
| Winter Weather Advisory | 75 | 4 | January 25, 2026 |
| Wind Advisory | 56 | 3 | March 15, 2026 |
| Severe Thunderstorm Watch | 43 | 7 | September 3, 2026 |
| Dense Fog Advisory | 38 | 8 | October 25, 2026 |
| Flood Advisory | 37 | 4 | October 2, 2026 |
| Frost Advisory | 28 | 7 | October 18, 2026 |
| Flood Watch | 26 | 5 | August 2, 2026 |
| Heat Advisory | 19 | 4 | September 2, 2026 |
| Freeze Warning | 17 | 2 | May 2, 2026 |
| Winter Storm Watch | 15 | 0 | February 16, 2025 |
| Cold Weather Advisory | 14 | 3 | February 7, 2026 |
| Winter Storm Warning | 13 | 0 | November 29, 2025 |
| High Wind Warning | 9 | 1 | March 13, 2026 |
| Flash Flood Warning | 8 | 0 | September 24, 2025 |
| High Wind Watch | 8 | 1 | March 13, 2026 |
| Flood Warning | 7 | 0 | April 3, 2025 |
| Tornado Watch | 6 | 2 | June 12, 2026 |
| Extreme Heat Watch | 5 | 2 | July 14, 2026 |
| Extreme Heat Warning | 3 | 1 | June 30, 2026 |
| Snow Squall Warning | 2 | 1 | January 19, 2026 |
| Tornado Warning | 2 | 2 | September 3, 2026 |
| Extreme Cold Warning | 2 | 0 | January 15, 2024 |
| Red Flag Warning | 1 | 0 | May 1, 2018 |
| Extreme Cold Watch | 1 | 1 | January 23, 2026 |
| Ice Storm Warning | 1 | 0 | February 22, 2023 |
| Freeze Watch | 1 | 2 | May 2, 2026 |
Tornado history in Washtenaw County
28 tornadoes have been recorded in Washtenaw County since 1950, killing 2 people and injuring 63. That ranks 12 of 83 counties in Michigan. The most recent was on June 22, 2015 (rated EF1).
Strongest tornadoes in Washtenaw County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 15, 1982 | F3 | Jackson County | 13 mi | 500 yd | 1 | 1 |
| June 8, 1953 | F3 | Washtenaw County | 11.3 mi | 70 yd | 1 | 5 |
| July 4, 1969 | F3 | Washtenaw County | 13.9 mi | 100 yd | 0 | 54 |
| March 15, 2012 | EF3 | Washtenaw County | 7.6 mi | 800 yd | 0 | 0 |
| June 13, 1994 | F2 | Jackson County | 16 mi | 200 yd | 0 | 2 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 22, 2015 | EF1 | Washtenaw County | 4.3 mi | 100 yd | 0 | 0 |
| March 15, 2012 | EF3 | Washtenaw County | 7.6 mi | 800 yd | 0 | 0 |
| July 23, 2010 | EF0 | Washtenaw County | 0.6 mi | 100 yd | 0 | 0 |
| June 23, 2010 | EF0 | Washtenaw County | 3.7 mi | 75 yd | 0 | 0 |
| August 24, 2007 | EF0 | Washtenaw County | 2.5 mi | 50 yd | 0 | 0 |
About Washtenaw County
- Population: 373,875 (2024 estimate)
- State: Michigan
- NOAA Weather Radio SAME code: 026161 (how to use it)
- Cities: Ann Arbor