Iowa, Minnesota, Wisconsin Severe Extreme Heat Warning | Effective 06/29/2026 12:08

Headline: 
Extreme Heat Warning issued June 29 at 2:08PM CDT until July 1 at 7:00PM CDT by NWS La Crosse WI
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 29, 2026 - 12:08pm
Expires: 
June 30, 2026 - 5:00am
Description: 
* WHAT...Dangerously hot conditions with heat index values up to 110 expected. * WHERE...Portions of north central and northeast Iowa, southeast Minnesota and central, southwest and west central Wisconsin. * WHEN...Until 7 PM CDT Wednesday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.
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