Alert archive / Wisconsin / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in Wisconsin, April 2025
35 severe thunderstorm warnings in April 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 April 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 35
- Busiest day
- April 18, 202517 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 |
|---|---|---|---|---|
| Apr 2, 5:50 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Green, Rock | 25 min |
| Apr 2, 6:26 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane | 34 min |
| Apr 2, 6:54 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dodge | 20 min |
| Apr 17, 12:26 PM CDT | Severe Thunderstorm Warning | DLH | Burnett | 49 min |
| Apr 18, 4:37 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Richland | 38 min |
| Apr 18, 5:02 AM CDT | Severe Thunderstorm Warning | ARX | Richland | 28 min |
| Apr 18, 5:07 AM CDT | Severe Thunderstorm Warning | MKX | Iowa, Sauk | 53 min |
| Apr 18, 5:09 AM CDT | Severe Thunderstorm Warning | ARX | Grant | 51 min |
| Apr 18, 5:35 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Iowa, Sauk | 55 min |
| Apr 18, 5:41 AM CDT | Severe Thunderstorm Warning | MKX | Iowa, Lafayette | 49 min |
| Apr 18, 6:15 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Green, Iowa, Lafayette, Sauk | 45 min |
| Apr 18, 6:16 AM CDT | Severe Thunderstorm Warning | ARX | Crawford, Grant | 44 min |
| Apr 18, 6:45 AM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane, Dodge, Green, Jefferson, Rock | 45 min |
| Apr 18, 7:06 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson, Rock | 39 min |
| Apr 18, 7:18 AM CDT | Severe Thunderstorm Warning | MKX | Dane, Dodge, Jefferson, Milwaukee, Ozaukee, Rock and 3 more | 57 min |
| Apr 18, 7:27 AM CDT | Severe Thunderstorm Warning | MKX | Dane | 32 min |
| Apr 18, 7:37 AM CDT | Severe Thunderstorm Warning | MKX | Waukesha | 38 min |
| Apr 18, 8:11 AM CDT | Severe Thunderstorm Warning | MKX | Dodge, Jefferson, Milwaukee, Ozaukee, Washington, Waukesha | 25 min |
| Apr 18, 8:46 AM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Racine, Waukesha | 29 min |
| Apr 18, 2:46 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Rock, Walworth | 29 min |
| Apr 18, 3:04 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Racine, Walworth, Waukesha | 41 min |
| Apr 28, 3:07 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 23 min |
| Apr 28, 5:30 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest | 18 min |
| Apr 28, 6:28 PM CDT | Severe Thunderstorm Warning | MPX | Pepin, Pierce | 47 min |
| Apr 28, 7:11 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Marinette, Oconto | 30 min |
| Apr 28, 7:15 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Dunn, Eau Claire, Pepin | 45 min |
| Apr 28, 7:17 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest, Marinette | 43 min |
| Apr 28, 7:18 PM CDT | Severe Thunderstorm Warning | ARX | Buffalo | 25 min |
| Apr 28, 7:18 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Marinette, Menominee, Oconto | 42 min |
| Apr 28, 8:03 PM CDT | Severe Thunderstorm Warning | ARX | Clark | 57 min |
| Apr 28, 8:11 PM CDT | Severe Thunderstorm Warning | DLH | Price, Sawyer | 49 min |
| Apr 28, 8:41 PM CDT | Severe Thunderstorm Warning | GRB | Marathon, Wood | 64 min |
| Apr 28, 9:33 PM CDT | Severe Thunderstorm Warning | GRB | Langlade, Lincoln, Marathon, Portage, Shawano, Wood | 40 min |
| Apr 28, 9:59 PM CDT | Severe Thunderstorm Warning | GRB | Forest, Langlade, Menominee, Oconto, Oneida, Shawano | 46 min |
| Apr 28, 10:27 PM CDT | Severe Thunderstorm Warning | GRB | Florence, Forest, Marinette, Oconto | 63 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dane County8
- Rock County5
- Columbia County5
- Jefferson County5
- Waukesha County5
- Forest County5
- Dodge County4
- Iowa County4
- Milwaukee County4
- Langlade County4
- Marinette County4
- Oconto County4
- Green County3
- Sauk County3
- Walworth County3
- Florence County3
- Crawford County2
- Richland County2
- Grant County2
- Lafayette County2
- Ozaukee County2
- Washington County2
- Racine County2
- Clark County2
- Pepin County2
- Menominee County2
- Marathon County2
- Wood County2
- Shawano County2
- Burnett County1
- Pierce County1
- Chippewa County1
- Dunn County1
- Eau Claire County1
- Buffalo County1
- Price County1
- Sawyer County1
- Lincoln County1
- Portage County1
- Oneida 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.