Alert archive / Michigan / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Michigan, September 2026
43 severe thunderstorm warnings in September 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 43
- Busiest day
- September 3, 202631 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 6:04 AM EDT | Severe Thunderstorm Warning | DTX | Genesee | 22 min |
| Sep 2, 3:11 PM EDT | Severe Thunderstorm Warning | DTX | Huron, Sanilac, Tuscola | 79 min |
| Sep 2, 5:20 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Saginaw, Tuscola | 55 min |
| Sep 2, 6:01 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Sanilac, Tuscola | 59 min |
| Sep 2, 6:22 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer, Saint Clair | 73 min |
| Sep 2, 10:23 PM EDT | Severe Thunderstorm Warning | GRR | Ingham | 15 min |
| Sep 2, 10:26 PM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland | 79 min |
| Sep 2, 10:47 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw, Wayne | 73 min |
| Sep 2, 10:50 PM EDT | Severe Thunderstorm Warning | DTX | Macomb | 55 min |
| Sep 3, 12:00 AM EDT | Severe Thunderstorm Warning | DTX | Wayne | 49 min |
| Sep 3, 2:30 AM EDT | Severe Thunderstorm Warning | DTX | Macomb, Wayne | 35 min |
| Sep 3, 8:32 AM EDT | Severe Thunderstorm Warning | GRR | Barry, Eaton | 38 min |
| Sep 3, 9:35 AM EDT | Severe Thunderstorm Warning | GRR | Clinton, Eaton, Ingham | 43 min |
| Sep 3, 10:39 AM EDT | Severe Thunderstorm Warning | DTX | Genesee, Oakland, Shiawassee | 66 min |
| Sep 3, 10:50 AM EDT | Severe Thunderstorm Warning | DTX | Livingston, Oakland, Wayne | 55 min |
| Sep 3, 11:07 AM EDT | Severe Thunderstorm Warning | DTX | Oakland | 41 min |
| Sep 3, 11:23 AM EDT | Severe Thunderstorm Warning | DTX | Macomb, Saint Clair | 67 min |
| Sep 3, 11:56 AM EDT | Severe Thunderstorm Warning | DTX | Oakland | 34 min |
| Sep 3, 1:31 PM EDT | Severe Thunderstorm Warning | GRR | Gratiot, Isabella | 44 min |
| Sep 3, 1:34 PM EDT | Severe Thunderstorm Warning | DTX | Midland, Saginaw | 71 min |
| Sep 3, 1:58 PM EDT | Severe Thunderstorm Warning | DTX | Genesee | 62 min |
| Sep 3, 2:11 PM EDT | Severe Thunderstorm Warning | DTX | Shiawassee | 64 min |
| Sep 3, 2:14 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Gratiot | 46 min |
| Sep 3, 2:16 PM EDT | Severe Thunderstorm Warning | DTX | Lapeer | 59 min |
| Sep 3, 2:29 PM EDT | Severe Thunderstorm Warning | DTX | Saginaw, Tuscola | 32 min |
| Sep 3, 2:36 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 22 min |
| Sep 3, 2:44 PM EDT | Severe Thunderstorm Warning | DTX | Genesee, Livingston, Oakland | 48 min |
| Sep 3, 2:46 PM EDT | Severe Thunderstorm Warning | GRR | Clinton, Eaton, Ingham | 44 min |
| Sep 3, 2:48 PM EDT | Severe Thunderstorm Warning | DTX | Saint Clair, Sanilac | 57 min |
| Sep 3, 3:14 PM EDT | Severe Thunderstorm Warning | GRR | Jackson | 46 min |
| Sep 3, 3:14 PM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 24 min |
| Sep 3, 3:16 PM EDT | Severe Thunderstorm Warning | GRR | Calhoun, Jackson | 19 min |
| Sep 3, 3:21 PM EDT | Severe Thunderstorm Warning | DTX | Oakland | 54 min |
| Sep 3, 3:26 PM EDT | Severe Thunderstorm Warning | DTX | Washtenaw | 47 min |
| Sep 3, 3:44 PM EDT | Severe Thunderstorm Warning | DTX | Wayne | 49 min |
| Sep 3, 3:50 PM EDT | Severe Thunderstorm Warning | DTX | Monroe | 43 min |
| Sep 4, 8:24 AM EDT | Severe Thunderstorm Warning | GRR | Eaton | 27 min |
| Sep 5, 1:08 AM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 52 min |
| Sep 5, 1:11 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Hillsdale | 27 min |
| Sep 5, 1:37 AM EDT | Severe Thunderstorm Warning | IWX | Branch, Saint Joseph | 38 min |
| Sep 5, 1:57 AM EDT | Severe Thunderstorm Warning | GRR | Kalamazoo, Van Buren | 32 min |
| Sep 15, 10:27 PM EDT | Severe Thunderstorm Warning | IWX | Hillsdale | 18 min |
| Sep 15, 10:31 PM EDT | Severe Thunderstorm Warning | DTX | Lenawee | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Oakland County7
- Genesee County5
- Wayne County5
- Tuscola County4
- Eaton County4
- Sanilac County3
- Saginaw County3
- Lapeer County3
- Saint Clair County3
- Ingham County3
- Livingston County3
- Macomb County3
- Clinton County3
- Jackson County3
- Branch County3
- Hillsdale County3
- Washtenaw County2
- Shiawassee County2
- Gratiot County2
- Calhoun County2
- Saint Joseph County2
- Huron County1
- Barry County1
- Isabella County1
- Midland County1
- Monroe County1
- Kalamazoo County1
- Van Buren County1
- Lenawee County1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.