Weather Alerts For Guernsey, IA

# HEADLINE -------------------- EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THURSDAY # DETAILS -------------------- WHAT Dangerously hot conditions with heat index values up to 102 expected. WHERE Portions of central, south central, southeast, and southwest Iowa. WHEN Until 10 PM CDT Thursday. IMPACTS Heat related illnesses increase significantly during extreme heat and high humidity events. ISSUED AT Wednesday, July 1, 2026 at 3:25 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. # AREAS AFFECTED -------------------- Appanoose, Clarke, Dallas, Davis, Decatur, Jasper, Lucas, Madison, Mahaska, Marion, Monroe, Polk, Poweshiek, Ringgold, Taylor, Union, Wapello, Warren, Wayne Including the cities of Des Moines, Perry, Waukee, Allerton, Indianola, Osceola, Newton, Leon, Humeston, Oskaloosa, Pella, Knoxville, Bedford, Seymour, Norwalk, New Market, Winterset, Creston, Mount Ayr, Lenox, Bloomfield, Chariton, Adel, Corydon, Lamoni, Centerville, Earlham, Grinnell, Carlisle, Albia, and Ottumwa