Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in Wisconsin, August 2025
49 severe thunderstorm warnings in August 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 August 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 49
- Busiest day
- August 16, 202520 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 |
|---|---|---|---|---|
| Aug 8, 8:58 AM CDT | Severe Thunderstorm Warning | DLH | Douglas | 62 min |
| Aug 9, 4:57 AM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn | 63 min |
| Aug 9, 7:33 AM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon, Oneida | 42 min |
| Aug 9, 12:06 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe, Vernon | 39 min |
| Aug 9, 1:11 PM CDT | Severe Thunderstorm Warning | GRB | Portage, Waupaca, Waushara, Winnebago | 36 min |
| Aug 9, 1:56 PM CDT | Severe Thunderstorm Warning | GRB | Outagamie, Shawano, Waupaca | 34 min |
| Aug 9, 2:06 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Door, Kewaunee | 39 min |
| Aug 9, 2:16 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Oconto, Outagamie, Shawano, Waupaca | 44 min |
| Aug 9, 2:32 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Calumet, Outagamie, Winnebago | 43 min |
| Aug 9, 2:40 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Kewaunee | 50 min |
| Aug 9, 2:56 PM CDT | Severe Thunderstorm Warning | GRB | Brown, Kewaunee, Manitowoc, Oconto | 34 min |
| Aug 9, 3:46 PM CDT | Severe Thunderstorm Warning | GRB | Door | 44 min |
| Aug 9, 5:11 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Ozaukee, Waukesha | 34 min |
| Aug 9, 5:47 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Waukesha | 16 min |
| Aug 12, 5:53 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Milwaukee, Ozaukee, Washington, Waukesha | 41 min |
| Aug 15, 4:50 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 55 min |
| Aug 15, 5:07 PM CDT | Severe Thunderstorm Warning | MPX | Dunn, Eau Claire, Pepin | 53 min |
| Aug 15, 5:21 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 54 min |
| Aug 15, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 50 min |
| Aug 15, 6:02 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 46 min |
| Aug 15, 6:13 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 32 min |
| Aug 15, 7:27 PM CDT | Severe Thunderstorm Warning | ARX | La Crosse, Vernon | 21 min |
| Aug 16, 11:35 AM CDT | Severe Thunderstorm Warning | GRB | Calumet, Winnebago | 40 min |
| Aug 16, 11:38 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake, Marquette, Sheboygan | 52 min |
| Aug 16, 12:04 PM CDT | Severe Thunderstorm Warning | GRB | Calumet, Manitowoc | 56 min |
| Aug 16, 12:04 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Ozaukee, Sheboygan, Washington | 56 min |
| Aug 16, 12:42 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Iowa, Sauk | 48 min |
| Aug 16, 1:12 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Iowa | 48 min |
| Aug 16, 1:32 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 13 min |
| Aug 16, 1:45 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Jefferson, Rock | 45 min |
| Aug 16, 1:59 PM CDT | Severe Thunderstorm Warning | MKX | Dane | 16 min |
| Aug 16, 2:13 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 47 min |
| Aug 16, 2:19 PM CDT | Severe Thunderstorm Warning | ARX | Juneau, Monroe | 41 min |
| Aug 16, 2:25 PM CDT | Severe Thunderstorm Warning | MKX | Green, Rock | 50 min |
| Aug 16, 2:53 PM CDT | Severe Thunderstorm Warning | MKX | Rock, Walworth | 52 min |
| Aug 16, 2:55 PM CDT | Severe Thunderstorm Warning | ARX | Adams, Juneau | 37 min |
| Aug 16, 3:02 PM CDT | Severe Thunderstorm Warning | MKX | Rock | 43 min |
| Aug 16, 3:14 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Marquette, Sauk | 46 min |
| Aug 16, 3:44 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge, Fond du Lac, Green Lake | 46 min |
| Aug 16, 4:03 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Dodge, Fond du Lac, Ozaukee, Sheboygan and 1 more | 46 min |
| Aug 16, 4:25 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson, Waukesha | 35 min |
| Aug 16, 7:03 PM CDT | Severe Thunderstorm Warning | MKX | Green, Lafayette | 27 min |
| Aug 18, 10:52 AM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 38 min |
| Aug 18, 11:42 AM CDT | Severe Thunderstorm Warning | MKX | Dane | 48 min |
| Aug 18, 12:28 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson | 47 min |
| Aug 18, 1:02 PM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 43 min |
| Aug 22, 1:17 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 28 min |
| Aug 22, 9:39 PM CDT | Severe Thunderstorm Warning | DLH | Bayfield, Douglas | 51 min |
| Aug 22, 10:11 PM CDT | Severe Thunderstorm Warning | DLH | Ashland, Bayfield | 49 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dane County8
- Brown County5
- Waukesha County5
- Dodge County5
- Columbia County5
- Rock County5
- Bayfield County4
- Ozaukee County4
- Fond du Lac County4
- Douglas County3
- Ashland County3
- Juneau County3
- Waupaca County3
- Winnebago County3
- Outagamie County3
- Kewaunee County3
- Calumet County3
- Milwaukee County3
- Washington County3
- Buffalo County3
- Sheboygan County3
- Iowa County3
- Green County3
- Jefferson County3
- Monroe County2
- Vernon County2
- Shawano County2
- Door County2
- Oconto County2
- Manitowoc County2
- Pierce County2
- Green Lake County2
- Marquette County2
- Sauk County2
- Walworth County2
- Lafayette County2
- Burnett County1
- Sawyer County1
- Washburn County1
- Langlade 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.