Extreme Heat Warning
Status
Event Continued Active alertStart Time
Mon 07/27/2026 01:19 PM EDTEnd Time
Mon 07/27/2026 11:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Des Moines, IA ∙ Waterloo, IA ∙ Ames, IA ∙ West Des Moines, IA ∙ Booneville, IA ∙ Bedford, IA ∙ Aspinwall, IA ∙ Osceola Municipal Airport, IA ∙ Creston Municipal Airport, IA ∙ Altoona, IAFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1219 PM CDT Mon Jul 27 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to around 110 to 115 expected. * WHERE...Most of central and southern Iowa. * 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.
Technical Header
IAZ027-028-034>039-045>050-057>062-070>075-081>086-092>097-280300- /O.CON.KDMX.XH.W.0002.000000T0000Z-260728T0300Z/ Butler-Bremer-Calhoun-Webster-Hamilton-Hardin-Grundy-Black Hawk- 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 Allerton, Manson, Aplington, Lake City, Carlisle, Toledo, Oskaloosa, Guthrie Center, Cedar Falls, Exira, Iowa Falls, Traer, Leon, Adair, Greenfield, Albia, Mount Ayr, Gladbrook, New Market, Greene, Allison, Waukee, Fontanelle, Casey, Earlham, Parkersburg, Dysart, Pomeroy, Ackley, Grinnell, Knoxville, Audubon, Corydon, Creston, Norwalk, Adel, Atlantic, Webster City, Corning, Clarksville, Seymour, Dumont, Lamoni, Shell Rock, Centerville, Rockwell City, Jefferson, Bloomfield, Indianola, Stuart, Conrad, Osceola, Des Moines, Perry, Humeston, Ottumwa, Wellsburg, Fort Dodge, Waterloo, Chariton, Grundy Center, Carroll, Pella, Dike, Reinbeck, Bayard, Tama, Eldora, Winterset, Bedford, Lenox, Boone, Panora, Ames, Marshalltown, Waverly, and Newton 1219 PM CDT Mon Jul 27 2026
