EXTREME HEAT WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 9 PM CDT TUESDAY...

* WHAT...Dangerously hot conditions with heat index values up to 109 expected. *

WHERE...Portions of north central and northeast Iowa, southeast Minnesota and central, southwest and west central Wisconsin.

 

NWS La Crosse
NWS La Crosse
NWS La Crosse

* WHEN...From 8 AM this morning to 9 PM CDT Tuesday.

* IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities.

PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.

LAST UPDATED: 6/29/2026

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11 of the Most Devastating Weather Disasters in Minnesota Throughout The Years

We might be full of lakes and "nice" but Minnesota has had its fair share of horrible and nasty weather. Throughout the years we've had floods, fires, storms that have crushed stadium roofs flat, and tornadoes that have destroyed lives.

Gallery Credit: Jessica Williams