Weather Alerts For Story City, IA

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING # DETAILS -------------------- WHAT Heat index values up to 105. WHERE Portions of central and southern Iowa. WHEN Until 7 PM CDT this evening. 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 with warm lows have prompted the multi-day Heat Advisory. ISSUED AT Saturday, September 5, 2026 at 3:05 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 -------------------- Appanoose, Carroll, Jasper, Union, Adair, Adams, Audubon, Black Hawk, Boone, Calhoun, Cass, Clarke, Crawford, Dallas, Davis, Decatur, Greene, Grundy, Guthrie, Hamilton, Hardin, Lucas, Madison, Mahaska, Marion, Marshall, Monroe, Polk, Poweshiek, Ringgold, Sac, Story, Tama, Taylor, Wapello, Warren, Wayne, Webster Including the cities of Schaller, Indianola, Knoxville, Toledo, Grinnell, Atlantic, Corning, Marshalltown, Fort Dodge, Lenox, Guthrie Center, Lake View, Denison, New Market, Dysart, Early, Pomeroy, Reinbeck, Audubon, Rockwell City, Winterset, Albia, Oskaloosa, Jefferson, Adair, Conrad, Panora, Fontanelle, Leon, Corydon, Manson, Wall Lake, Allerton, Dike, Bayard, Ottumwa, Centerville, Carlisle, Adel, Odebolt, Greenfield, Carroll, Wellsburg, Tama, Bloomfield, Earlham, Ackley, Waukee, Perry, Pella, Bedford, Waterloo, Norwalk, Lamoni, Casey, Osceola, Des Moines, Cedar Falls, Chariton, Mount Ayr, Seymour, Humeston, Stuart, Sac City, Creston, Webster City, Iowa Falls, Exira, Lake City, Eldora, Traer, Boone, Grundy Center, Newton, Ames, and Gladbrook

Pollen Index: 11.5 Pollen Level: high Predominant Pollen: Ragweed, Nettle and Chenopods. The amount of pollen in the air for Sunday will be falling but stay in the extremely high range. This lowering of pollen concentrations is a result of falling temperatures, rising relative humidity and weaker winds.