Excessive Heat Warnings in Wisconsin
33 excessive heat 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 33
- Busiest year
- 20116 excessive heat warnings
- Average year
- 4over 8 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not 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.
- Buffalo County9
- Crawford County9
- Grant County9
- Iowa County9
- La Crosse County9
- Lafayette County9
- Richland County9
- Sauk County9
- Trempealeau County9
- Adams County8
- Columbia County8
- Dane County8
- Dodge County8
- Green County8
- Jackson County8
- Jefferson County8
- Juneau County8
- Monroe County8
- Pepin County8
- Pierce County8
- Rock County8
- Vernon County8
- Walworth County8
- Eau Claire County7
- Green Lake County7
- Marquette County7
- Saint Croix County7
- Barron County6
- Chippewa County6
- Dunn County6
- Polk County6
- Rusk County6
- Kenosha County6
- Milwaukee County6
- Racine County6
- Waukesha County6
- Clark County5
- Washington County5
- Portage County4
- Taylor County4
25 more counties
- Waushara County4
- Winnebago County4
- Wood County4
- Fond du Lac County4
- Ozaukee County4
- Brown County3
- Calumet County3
- Marathon County3
- Outagamie County3
- Shawano County3
- Waupaca County3
- Sheboygan County3
- Menominee County2
- Ashland County1
- Bayfield County1
- Burnett County1
- Douglas County1
- Iron County1
- Price County1
- Sawyer County1
- Washburn County1
- Kewaunee County1
- Manitowoc County1
- Marinette County1
- Oconto 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.