Heat Advisory issued August 30 at 1:32PM CDT until September 2 at 7:00PM CDT by NWS Des Moines IA

Dallas; Polk; Jasper; Poweshiek; Madison; Warren; Marion; Mahaska; Union; Clarke; Lucas; Monroe; Wapello; Ringgold; Decatur; Wayne; Appanoose; Davis

Urgency: Expected

Certainty: Likely

Onset: 8/31/2026, 6:00:00 PM

Expires: 8/31/2026, 4:45:00 AM

Details

* WHAT...Heat index values up to 100-103 degrees. * WHERE...Portions of central and south central Iowa, including the Des Moines metro. * WHEN...From 1 PM Monday to 7 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...While heat index values may not reach 105 degrees each day, the combination of the longevity of the heat and little or limited relief during the overnight periods have prompted the multi-day Heat Advisory.

What To Do

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.

Other Active Heat Advisory Alerts

Heat Advisory issued August 30 at 1:06PM CDT until August 30 at 7:00PM CDT by NWS Norman OK

Harper; Woods; Alfalfa; Grant; Kay; Woodward; Major; Garfield; Noble; Blaine; Kingfisher; Logan; Payne

Heat Advisory issued August 30 at 1:04PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

Iowa; Johnson; Cedar; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Henry; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark

Heat Advisory issued August 30 at 12:55PM CDT until September 2 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO

Atchison; Miami; Linn; Doniphan; Leavenworth; Wyandotte; Johnson; Worth; Gentry; Harrison; Mercer; Putnam; Schuyler; Andrew; De Kalb; Daviess; Grundy; Sullivan; Adair; Buchanan; Clinton; Caldwell; Livingston; Linn; Macon; Platte; Clay; Ray; Carroll; Chariton; Randolph; Jackson; Lafayette; Saline; Howard; Cass; Johnson; Pettis; Cooper; Bates; Henry

Heat Advisory issued August 30 at 12:34PM CDT until August 31 at 8:00PM CDT by NWS Memphis TN

Clay; Greene; Craighead; Poinsett; Mississippi; Cross; Crittenden; St. Francis; Lee; Phillips; Dunklin; Pemiscot; DeSoto; Tunica; Tate; Coahoma; Quitman; Panola; Tallahatchie; Lake; Obion; Weakley; Henry; Dyer; Gibson; Lauderdale; Tipton; Haywood; Crockett; Shelby; Fayette

Heat Advisory issued August 30 at 12:27PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

Greene; Macoupin; Montgomery; Bond; Fayette; Marion; Adams; Brown; Pike; Calhoun; Jersey; Knox; Lewis; Shelby; Marion; Monroe; Ralls; Pike; Boone; Audrain; Moniteau; Cole; Osage; Callaway; Montgomery; Lincoln; Gasconade; Warren; Franklin; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds

Source: National Weather Service.