Weather Alerts For Dexter, IA
Extreme Heat Warning
-# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT TUESDAY # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values above 100 expected. WHERE Much of Iowa. WHEN From 1 PM this afternoon to 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. ISSUED AT Sunday, June 28, 2026 at 12:57 AM CDT ISSUED BY National Weather Service Des Moines IA HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- Adair, Marshall, Monroe, Webster, Adams, Appanoose, Audubon, Boone, Calhoun, Carroll, Cass, Clarke, Crawford, Dallas, Davis, Decatur, Emmet, Greene, Guthrie, Hamilton, Hardin, Humboldt, Jasper, Kossuth, Lucas, Madison, Mahaska, Marion, Palo Alto, Pocahontas, Polk, Poweshiek, Ringgold, Sac, Story, Tama, Taylor, Union, Wapello, Warren, Wayne, Wright Including the cities of Iowa Falls, Knoxville, Marshalltown, Fort Dodge, Mount Ayr, Bedford, Ames, Des Moines, Gilmore City, Boone, Clarion, Creston, Chariton, Newton, Leon, Estherville, Pomeroy, Fonda, Pocahontas, Pella, Webster City, Eldora, Humboldt, Waukee, Lenox, Humeston, Rolfe, Oskaloosa, Early, Rockwell City, Jefferson, Adel, Atlantic, Fontanelle, Lake View, Earlham, Albia, Perry, Gladbrook, Norwalk, Winterset, Stuart, Carlisle, Wall Lake, Manson, Grinnell, Greenfield, Lamoni, Audubon, Schaller, Algona, Toledo, Laurens, Adair, Seymour, Eagle Grove, Dysart, Allerton, Belmond, Emmetsburg, New Market, Guthrie Center, Indianola, Centerville, Odebolt, Corning, Denison, Panora, Corydon, Ottumwa, Lake City, Carroll, Bloomfield, Tama, Traer, Bayard, Ackley, Sac City, Osceola, Casey, and Exira
