Extreme Heat Warning issued July 27 at 9:20AM CDT until July 27 at 9:00PM CDT by NWS La Crosse WI
Event: Extreme Heat Warning
Desc: * WHAT...Dangerously hot conditions with heat index values up to 114.
* WHERE...Portions of north central and northeast Iowa, southeast
Minnesota, and southwest and west central Wisconsin.
* WHEN...Until 9 PM CDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
Areas: Mitchell County IA, Howard County IA, Winneshiek County IA, Allamakee County IA, Floyd County IA, Chickasaw County IA, Fayette County IA, Clayton County IA, Houston County MN, La Crosse County WI, Monroe County WI, Vernon County WI, Crawford County WI, Richland County WI, Grant County WI
Effective: Monday, July 27, 2026 - 07:20
Expires: Monday, July 27, 2026 - 19:00