Shiawassee County weather alerts
There are no active weather alerts for Shiawassee County, MI right now.
Since 2016 the National Weather Service has issued about 452 alerts that included Shiawassee County, roughly 45 a year. The most common is the winter weather advisory (75 from 2016 to 2025). The last tornado warning was issued on June 9, 2026. 35 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 Shiawassee County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Clinton County, Gratiot County, Saginaw County, Ingham County.
Shiawassee County alert history
Alert events that included Shiawassee County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Winter Weather Advisory | 75 | 2 | January 21, 2026 |
| Severe Thunderstorm Warning | 71 | 9 | September 3, 2026 |
| Wind Advisory | 53 | 3 | March 15, 2026 |
| Severe Thunderstorm Watch | 35 | 7 | September 3, 2026 |
| Frost Advisory | 34 | 6 | October 6, 2026 |
| Dense Fog Advisory | 26 | 6 | October 25, 2026 |
| Flood Watch | 22 | 3 | June 17, 2026 |
| Winter Storm Watch | 18 | 0 | February 16, 2025 |
| Freeze Warning | 17 | 3 | October 17, 2026 |
| Flood Advisory | 14 | 2 | August 22, 2026 |
| Heat Advisory | 13 | 1 | July 14, 2026 |
| Winter Storm Warning | 12 | 0 | November 29, 2025 |
| Cold Weather Advisory | 12 | 4 | February 7, 2026 |
| Flood Warning | 10 | 2 | April 16, 2026 |
| High Wind Watch | 8 | 1 | March 13, 2026 |
| High Wind Warning | 8 | 1 | March 13, 2026 |
| Tornado Warning | 6 | 3 | June 9, 2026 |
| Red Flag Warning | 4 | 1 | May 4, 2026 |
| Extreme Heat Watch | 3 | 2 | July 14, 2026 |
| Tornado Watch | 3 | 2 | June 12, 2026 |
| Extreme Heat Warning | 2 | 1 | June 30, 2026 |
| Extreme Cold Warning | 2 | 0 | January 29, 2019 |
| Extreme Cold Watch | 1 | 1 | January 23, 2026 |
| Ice Storm Warning | 1 | 0 | January 11, 2020 |
| Freeze Watch | 1 | 2 | May 2, 2026 |
| Snow Squall Warning | 1 | 0 | December 5, 2024 |
Tornado history in Shiawassee County
35 tornadoes have been recorded in Shiawassee County since 1950, killing 3 people and injuring 24. That ranks 7 of 83 counties in Michigan. The most recent was on March 30, 2025 (rated EF1).
Strongest tornadoes in Shiawassee County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 11, 1965 | F4 | Clinton County | 21 mi | 100 yd | 1 | 8 |
| October 18, 2007 | EF2 | Ingham County | 19 mi | 300 yd | 2 | 1 |
| August 15, 1951 | F2 | Clinton County | 28.5 mi | 333 yd | 0 | 0 |
| April 28, 1986 | F2 | Shiawassee County | 26.5 mi | 40 yd | 0 | 0 |
| September 21, 1957 | F2 | Shiawassee County | 21.9 mi | 33 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| March 30, 2025 | EF1 | Shiawassee County | 0.9 mi | 100 yd | 0 | 0 |
| August 11, 2023 | EF1 | Shiawassee County | 3 mi | 430 yd | 0 | 0 |
| August 29, 2019 | EF0 | Shiawassee County | 2.5 mi | 125 yd | 0 | 0 |
| March 14, 2019 | EF0 | Shiawassee County | 6.4 mi | 100 yd | 0 | 0 |
| March 14, 2019 | EF2 | Shiawassee County | 18.2 mi | 700 yd | 0 | 0 |
About Shiawassee County
- Population: 67,982 (2024 estimate)
- State: Michigan
- NOAA Weather Radio SAME code: 026155 (how to use it)