Extreme Heat Warning

Locations Affected

Des Moines, IA ∙ West Des Moines, IA ∙ Deep River, IA ∙ Benton, IA ∙ Lamoni, IA ∙ Osceola Municipal Airport, IA ∙ Lacona, IA ∙ Reasnor, IA ∙ Grinnell, IA ∙ Afton, IA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 203 PM CDT Thu Jul 2 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values near to over 100. * WHERE...Dallas, Jasper, Polk, Poweshiek, Clarke, Madison, Mahaska, Marion, Union, and Warren Counties. * WHEN...Until 10 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. 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.

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