Tornado Warnings in Wisconsin
1,849 tornado warnings since 1986. 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 tornado warnings reaches back to 1986.
Tornado Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Tornado Warnings
- 1,849
- Busiest year
- 2026150 tornado warnings
- Average year
- 45over 41 years on file
Over time
By year
Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Dane County129
- Columbia County102
- Rock County89
- Dodge County86
- Jefferson County79
- Walworth County73
- Marathon County73
- Fond du Lac County71
- Sauk County71
- Iowa County67
- Grant County63
- Green County61
- Green Lake County60
- Saint Croix County60
- Waukesha County57
- Lafayette County57
- Polk County53
- Pierce County51
- Racine County50
- Burnett County49
- Dunn County49
- Marquette County47
- Clark County45
- Shawano County45
- Barron County45
- Winnebago County39
- Outagamie County38
- Juneau County37
- Langlade County36
- Adams County35
- Washington County35
- Waupaca County35
- Price County34
- Ashland County34
- Kenosha County33
- Eau Claire County33
- Portage County32
- Waushara County31
- Jackson County30
- Oconto County29
32 more counties
- Sawyer County29
- Lincoln County29
- Wood County29
- Buffalo County29
- Chippewa County29
- Calumet County28
- Bayfield County28
- Douglas County27
- Monroe County27
- Vernon County27
- Brown County26
- Manitowoc County26
- Trempealeau County26
- Milwaukee County25
- Richland County25
- Rusk County22
- Washburn County22
- Taylor County22
- Oneida County21
- Crawford County21
- La Crosse County21
- Menominee County21
- Pepin County20
- Marinette County19
- Ozaukee County16
- Sheboygan County16
- Forest County16
- Iron County14
- Door County12
- Kewaunee County11
- Vilas County10
- Florence County3
The latest tornado warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 6:29 PM CDT | Tornado Warning | ARX | Clark | 14 min |
| Aug 21, 4:18 PM CDT | Tornado Warning | MKX | Dane | 28 min |
| Aug 18, 6:51 PM CDT | Tornado Warning | MKX | Milwaukee | 23 min |
| Aug 18, 6:42 PM CDT | Tornado Warning | MKX | Waukesha | 33 min |
| Aug 18, 6:33 PM CDT | Tornado Warning | MKX | Washington, Waukesha | 42 min |
| Aug 18, 5:45 PM CDT | Tornado Warning | MKX | Columbia, Dane, Dodge | 18 min |
| Aug 18, 4:48 PM CDT | Tornado Warning | MKX | Columbia, Sauk | 42 min |
| Aug 18, 4:12 PM CDT | Tornado Warning | MKX | Green Lake, Marquette | 48 min |
| Aug 18, 4:11 PM CDT | Tornado Warning | GRB | Waushara | 30 min |
| Jul 27, 1:06 PM CDT | Tornado Warning | MKX | Dodge, Fond du Lac | 39 min |
| Jul 27, 12:44 PM CDT | Tornado Warning | MKX | Fond du Lac | 46 min |
| Jul 27, 12:17 PM CDT | Tornado Warning | GRB | Calumet, Winnebago | 24 min |
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. Rebuilt daily.