Heat Advisories in Wisconsin
244 heat advisories 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Heat Advisories
- 244
- Busiest year
- 202630 heat advisories
- Average year
- 12over 20 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.
- Grant County54
- Crawford County50
- Green County46
- Lafayette County46
- Pierce County46
- Rock County46
- Richland County45
- Iowa County45
- Walworth County45
- La Crosse County43
- Dane County43
- Jefferson County43
- Saint Croix County43
- Vernon County42
- Pepin County42
- Monroe County41
- Dunn County41
- Buffalo County40
- Kenosha County40
- Racine County40
- Sauk County40
- Waukesha County40
- Trempealeau County39
- Eau Claire County38
- Milwaukee County38
- Jackson County37
- Burnett County35
- Dodge County35
- Fond du Lac County35
- Washington County35
- Juneau County34
- Adams County33
- Columbia County33
- Green Lake County33
- Chippewa County32
- Marquette County32
- Washburn County32
- Sawyer County31
- Ozaukee County29
- Sheboygan County29
32 more counties
- Bayfield County27
- Ashland County26
- Douglas County26
- Polk County26
- Waushara County26
- Calumet County24
- Clark County24
- Price County24
- Waupaca County24
- Winnebago County24
- Brown County23
- Outagamie County23
- Rusk County21
- Barron County20
- Manitowoc County19
- Oconto County19
- Portage County19
- Shawano County19
- Wood County19
- Menominee County18
- Taylor County18
- Iron County17
- Marathon County16
- Kewaunee County15
- Marinette County15
- Lincoln County12
- Langlade County10
- Florence County9
- Forest County8
- Oneida County8
- Vilas County8
- Door County5
The latest heat advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 2:49 AM CDT | Heat Advisory | ARX | Grant | 16 hr |
| Jul 28, 2:31 PM CDT | Heat Advisory | DLH | Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn | 28 hr |
| Jul 27, 9:05 AM CDT | Heat Advisory | GRB | Portage, Waupaca, Waushara, Winnebago, Wood | 10 hr |
| Jul 27, 1:59 AM CDT | Heat Advisory | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more | 12 hr |
| Jul 26, 2:19 AM CDT | Heat Advisory | MPX | Dunn, Eau Claire, Pepin, Pierce, Saint Croix | 42 hr |
| Jul 26, 1:55 AM CDT | Heat Advisory | GRB | Portage, Waupaca, Waushara, Wood | 19 hr |
| Jul 25, 12:55 PM CDT | Heat Advisory | MKX | Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 12 more | 32 hr |
| Jul 25, 11:52 AM CDT | Heat Advisory | DLH | Iron, Price | 33 hr |
| Jul 25, 2:20 AM CDT | Heat Advisory | ARX | Adams, Buffalo, Clark, Jackson, Juneau, Taylor and 1 more | 67 hr |
| Jul 24, 2:07 PM CDT | Heat Advisory | DLH | Ashland, Bayfield, Burnett, Douglas, Sawyer, Washburn | 31 hr |
| Jul 24, 12:59 PM CDT | Heat Advisory | MPX | Pierce, Polk, Saint Croix | 46 hr |
| Jul 20, 12:13 AM CDT | Heat Advisory | DLH | Ashland, Bayfield, Burnett, Douglas, Iron, Price and 2 more | 19 hr |
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.