Iowa, Minnesota, Wisconsin Severe Extreme Heat Warning | Effective 06/28/2026 09:38

Headline: 
Extreme Heat Warning issued June 28 at 11:38AM CDT until June 30 at 9:00PM CDT by NWS La Crosse WI
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 28, 2026 - 9:38am
Expires: 
June 28, 2026 - 5:45pm
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota, and central, southwest, and west central Wisconsin. * WHEN...From 8 AM Monday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed.
Area Description: 
Mitchell; Howard; Winneshiek; Allamakee; Floyd; Chickasaw; Fayette; Clayton; Wabasha; Dodge; Olmsted; Winona; Mower; Fillmore; Houston; Clark; Buffalo; Trempealeau; Jackson; La Crosse; Monroe; Juneau; Adams; Vernon; Crawford; Richland; Grant
Forcast Office: 
NWS La Crosse WI