Iowa Severe Flash Flood Warning | Effective 09/08/2026 23:49

Headline: 
Flash Flood Warning issued September 9 at 1:49AM CDT until September 9 at 7:45AM CDT by NWS Des Moines IA
Event: 
Flash Flood Warning
Urgency: 
Immediate
Effective: 
September 8, 2026 - 11:49pm
Expires: 
September 9, 2026 - 5:45am
Description: 
FFWDMX The National Weather Service in Des Moines has issued a * Flash Flood Warning for... Southern Dallas County in central Iowa... Southern Polk County in central Iowa... Northern Madison County in south central Iowa... Northern Warren County in south central Iowa... Northern Adair County in southwestern Iowa... Northern Cass County in southwestern Iowa... Southern Audubon County in west central Iowa... Southern Guthrie County in west central Iowa... * Until 745 AM CDT. * At 149 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4.5 inches of rain have fallen, with locally higher amounts. Additional rainfall amounts of 1 to 2 inches are possible in the warned area through sunrise. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes, Atlantic, Adel, Guthrie Center, Windsor Heights, Carlisle, Bondurant, Saylorville and Mitchellville.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Area Description: 
Adair, IA; Audubon, IA; Cass, IA; Dallas, IA; Guthrie, IA; Madison, IA; Polk, IA; Warren, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov