Weather Alerts For Martensdale, IA
Extreme Heat Warning
-# HEADLINE -------------------- EXTREME HEAT WARNING IN EFFECT FROM 1 PM SUNDAY TO 9 PM CDT TUESDAY # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 110 expected. WHERE Portions of northwest, western, central and southern Iowa. WHEN From 1 PM Sunday to 9 PM CDT Tuesday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ADDITIONAL DETAILS Excessive heat will persist through much of next week, potentially including the 4th of July weekend. ISSUED AT Saturday, June 27, 2026 at 12:50 PM 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. # 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 Odebolt, Lenox, Estherville, Belmond, Des Moines, Adair, Lamoni, Albia, Atlantic, Toledo, Pomeroy, Eagle Grove, Fort Dodge, Dysart, Chariton, Exira, Perry, Rockwell City, Audubon, Clarion, Webster City, Waukee, Sac City, Pocahontas, Carroll, Lake City, Ackley, Rolfe, Wall Lake, Gilmore City, Knoxville, Earlham, Algona, Seymour, Stuart, Iowa Falls, Eldora, Casey, Creston, Adel, Manson, New Market, Fonda, Grinnell, Fontanelle, Norwalk, Humeston, Corning, Bayard, Greenfield, Oskaloosa, Schaller, Guthrie Center, Early, Gladbrook, Pella, Bedford, Ottumwa, Denison, Centerville, Jefferson, Traer, Boone, Osceola, Newton, Tama, Winterset, Laurens, Carlisle, Ames, Corydon, Allerton, Humboldt, Lake View, Bloomfield, Leon, Mount Ayr, Indianola, Panora, Emmetsburg, and Marshalltown
