Hazardous Weather Outlook
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
761 FLUS43 KDMX 140838 HWODMX Hazardous Weather Outlook National Weather Service Des Moines IA 338 AM CDT Mon Sep 14 2026 IAZ025>028-034>039-045>050-057>061-070>073-081-082-092-093-151200- Wright-Franklin-Butler-Bremer-Calhoun-Webster-Hamilton-Hardin- Grundy-Black Hawk-Carroll-Greene-Boone-Story-Marshall-Tama- Audubon-Guthrie-Dallas-Polk-Jasper-Cass-Adair-Madison-Warren- Adams-Union-Taylor-Ringgold- 338 AM CDT Mon Sep 14 2026 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight A Flash Flood Watch is in effect for the area through late tonight. Please see our website at weather.gov/dmx for additional details. There is a Moderate Risk of excessive rainfall for this afternoon through late tonight. Repeated rounds of heavy rainfall will likely bring instances of flash flooding overnight. There is a Slight Risk of severe weather late this afternoon through this evening, mainly across portions of west central into central Iowa. All modes of severe weather may be possible including large hail, damaging winds, and perhaps even a few tornadoes. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Additional rounds of thunderstorms and heavy rainfall are expected at times from Tuesday through much of this week. Flash flooding and river flooding will become more of a threat with each round of heavy rain. .SPOTTER INFORMATION STATEMENT... && NWS Des Moines will discontinue the Hazardous Weather Outlook product (HWO) on September 30th, 2026. Weather hazards and outlooks will continue to be provided through the standard forecast channels, including weather briefing packets, forecast discussions, weather story graphics, the experimental graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at weather.gov/desmoines. $$ IAZ004>007-015>017-023-024-033-044-062-074-075-083>086-094>097- 151200- Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Sac-Crawford-Poweshiek-Marion-Mahaska-Clarke- Lucas-Monroe-Wapello-Decatur-Wayne-Appanoose-Davis- 338 AM CDT Mon Sep 14 2026 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Today and tonight Thunderstorms with heavy rainfall are expected today. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Additional rounds of thunderstorms and heavy rainfall are expected at times from Tuesday through much of this week. Flash flooding and river flooding will become more of a threat with each round of heavy rain. .SPOTTER INFORMATION STATEMENT... && NWS Des Moines will discontinue the Hazardous Weather Outlook product (HWO) on September 30th, 2026. Weather hazards and outlooks will continue to be provided through the standard forecast channels, including weather briefing packets, forecast discussions, weather story graphics, the experimental graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at weather.gov/desmoines. $$