Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in Wisconsin, September 2025
26 severe thunderstorm warnings in September 2025. 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 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 26
- Busiest day
- September 22, 202513 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, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 8:01 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 29 min |
| Sep 2, 8:23 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 26 min |
| Sep 19, 3:51 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 24 min |
| Sep 19, 4:10 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette | 20 min |
| Sep 19, 4:12 PM CDT | Severe Thunderstorm Warning | ARX | Adams | 33 min |
| Sep 20, 5:31 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 29 min |
| Sep 20, 5:46 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie | 21 min |
| Sep 21, 8:36 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 23 min |
| Sep 22, 7:05 AM CDT | Severe Thunderstorm Warning | MKX | Sauk | 40 min |
| Sep 22, 7:06 AM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Richland, Vernon | 39 min |
| Sep 22, 7:41 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Sauk | 49 min |
| Sep 22, 7:56 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette | 49 min |
| Sep 22, 8:25 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake | 50 min |
| Sep 22, 2:03 PM CDT | Severe Thunderstorm Warning | ARX | Vernon | 57 min |
| Sep 22, 2:36 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Vernon | 54 min |
| Sep 22, 4:14 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 46 min |
| Sep 22, 5:59 PM CDT | Severe Thunderstorm Warning | MKX | Iowa | 44 min |
| Sep 22, 6:02 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 23 min |
| Sep 22, 6:47 PM CDT | Severe Thunderstorm Warning | MKX | Lafayette | 26 min |
| Sep 22, 6:52 PM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant | 38 min |
| Sep 22, 7:29 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 46 min |
| Sep 22, 7:32 PM CDT | Severe Thunderstorm Warning | ARX | Grant | 43 min |
| Sep 22, 7:36 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Waukesha | 39 min |
| Sep 22, 8:05 PM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Washington, Waukesha | 40 min |
| Sep 22, 8:40 PM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 65 min |
| Sep 22, 9:30 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee | 34 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Columbia County4
- Grant County4
- Vernon County3
- Dodge County3
- Crawford County3
- Waukesha County3
- Bayfield County2
- Adams County2
- Marquette County2
- Sauk County2
- Jefferson County2
- Douglas County1
- Ashland County1
- Kenosha County1
- Racine County1
- Walworth County1
- Outagamie County1
- Saint Croix County1
- Juneau County1
- Monroe County1
- Richland County1
- Fond du Lac County1
- Green Lake County1
- Iowa County1
- Lafayette County1
- Washington County1
- Milwaukee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.