Hazardous Weather Outlook
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
578 FLUS43 KDMX 152057 HWODMX Hazardous Weather Outlook National Weather Service Des Moines IA 357 PM CDT Tue Sep 15 2026 IAZ057>062-070>074-081>084-092>095-162100- Audubon-Guthrie-Dallas-Polk-Jasper-Poweshiek-Cass-Adair-Madison- Warren-Marion-Adams-Union-Clarke-Lucas-Taylor-Ringgold-Decatur- Wayne- 357 PM CDT Tue Sep 15 2026 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Tonight A Flash Flood Watch is in effect for the area. Please see our website at weather.gov/dmx for additional details. There`s a Slight Risk for excessive rainfall. Flash flooding remains possible especially for locations that receive multiple rounds of rain. .DAYS TWO THROUGH SEVEN...Wednesday through Monday A Flash Flood Watch is in effect for the area through midday Wednesday. Please see our website at weather.gov/dmx for additional details. Additional rounds of thunderstorms and heavy rainfall are expected at times 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... Spotters are encouraged to safely report instances of flash flooding. && 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. $$ IAZ004>007-015>017-023>028-033>039-044>050-075-085-086-096-097- 162100- Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun- Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene- Boone-Story-Marshall-Tama-Mahaska-Monroe-Wapello-Appanoose-Davis- 357 PM CDT Tue Sep 15 2026 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...Tonight A few thunderstorms possible in the far south. .DAYS TWO THROUGH SEVEN...Wednesday through Monday Additional rounds of thunderstorms and heavy rainfall are expected at times through much of this week. Flash flooding and river flooding will become more of a threat with each round of heavy rain. .SPOTTER INFORMATION STATEMENT... && NWS Des Moines will discontinue the Hazardous Weather Outlook product (HWO) on September 30th, 2026. Weather hazards and outlooks will continue to be provided through the standard forecast channels, including weather briefing packets, forecast discussions, weather story graphics, the experimental graphical hazardous weather outlook, and updated hazard messaging. All local products and visual tools are accessible directly at weather.gov/desmoines. $$