


Hazardous Weather Outlook
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
374 FLUS43 KDMX 092118 HWODMX Hazardous Weather Outlook National Weather Service Des Moines IA 418 PM CDT Sat Aug 9 2025 IAZ004>007-015>017-023>027-033>036-044>046-057-058-070-102130- Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo- Pocahontas-Humboldt-Wright-Franklin-Butler-Sac-Calhoun-Webster- Hamilton-Crawford-Carroll-Greene-Audubon-Guthrie-Cass- 418 PM CDT Sat Aug 9 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...This afternoon and tonight Thunderstorms are expected at times into tonight with repeat rounds of rain bringing heavy rain and the potential of flooding by late tonight. The main flood threat is across central into southern Iowa. However, any urban or poor drainage areas may have ponding or isolated flooding. A few strong to severe storms are also possible late this evening into the early morning hours of Sunday as well with strong wind gusts the primary threat, but isolated large hail may be possible as well. .DAYS TWO THROUGH SEVEN...Sunday through Friday Additional thunderstorms are expected on Sunday into Monday with a continued heavy rain threat, especially the farther south in Iowa. .SPOTTER INFORMATION STATEMENT... Spotters may be needed tonight into Sunday. Rainfall reports are also appreciated. $$ IAZ028-037>039-047>050-059>062-071>075-081>086-092>097-102130- Bremer-Hardin-Grundy-Black Hawk-Boone-Story-Marshall-Tama-Dallas- Polk-Jasper-Poweshiek-Adair-Madison-Warren-Marion-Mahaska-Adams- Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne- Appanoose-Davis- 418 PM CDT Sat Aug 9 2025 This Hazardous Weather Outlook is for portions of central Iowa. .DAY ONE...This afternoon and tonight A Flood Watch is in effect for the area tonight. Please refer to the National Weather Service website at weather.gov/desmoines for further details. Thunderstorms are expected at times into tonight with repeat rounds of rain bringing heavy rain and the potential of flooding by late tonight. Scattered strong to severe storms late are possible late this evening into the early morning hours of Sunday as well with strong wind gusts the primary threat, but isolated large hail may be possible as well. .DAYS TWO THROUGH SEVEN...Sunday through Friday A Flood Watch remains in effect for the area through Monday morning. Please refer to the National Weather Service website at weather.gov/desmoines for further details. Additional thunderstorms are expected on Sunday into Monday with a continued heavy rain threat, especially the farther south in Iowa. .SPOTTER INFORMATION STATEMENT... Spotters may be needed tonight into Sunday. Rainfall reports are also appreciated. $$