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Extreme Heat Warning

Status

Event Continued Active alert

Start Time

Mon 06/29/2026 11:18 AM EDT

End Time

Tue 06/30/2026 10:00 PM EDT

Significance

Warning

Impacts

High impact

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1018 AM CDT Mon Jun 29 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT TUESDAY... * WHAT...Dangerously hot conditions with heat index values up to 107 degrees. * WHERE...Most of central Iowa. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...Extreme heat will persist through much of next week, potentially including the 4th of July weekend. 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. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.

Technical Header

IAZ004-005-015-023>025-033>037-044>050-057>062-070>075-081>086- 092>097-300130- /O.CON.KDMX.XH.W.0001.000000T0000Z-260701T0200Z/ Emmet-Kossuth-Palo Alto-Pocahontas-Humboldt-Wright-Sac-Calhoun- Webster-Hamilton-Hardin-Crawford-Carroll-Greene-Boone-Story- Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass- Adair-Madison-Warren-Marion-Mahaska-Adams-Union-Clarke-Lucas- Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-Appanoose-Davis- Including the cities of Dysart, Webster City, Leon, Fontanelle, Ottumwa, Adel, Jefferson, Adair, Gilmore City, Chariton, Fort Dodge, Audubon, Toledo, Creston, Iowa Falls, Albia, Guthrie Center, Lenox, Carlisle, Wall Lake, Allerton, Waukee, Lake View, Panora, Humboldt, Sac City, New Market, Osceola, Early, Rockwell City, Stuart, Mount Ayr, Des Moines, Ackley, Corydon, Belmond, Manson, Atlantic, Newton, Norwalk, Pocahontas, Carroll, Ames, Corning, Denison, Greenfield, Eagle Grove, Odebolt, Perry, Estherville, Exira, Oskaloosa, Casey, Winterset, Earlham, Bloomfield, Marshalltown, Lamoni, Emmetsburg, Algona, Bayard, Tama, Eldora, Lake City, Traer, Indianola, Gladbrook, Centerville, Knoxville, Laurens, Pomeroy, Bedford, Seymour, Fonda, Rolfe, Boone, Grinnell, Clarion, Schaller, Pella, and Humeston 1018 AM CDT Mon Jun 29 2026