Iowa Severe Flood Warning | Effective 10/01/2026 18:43

Headline: 
Flood Warning issued October 1 at 8:43PM CDT until October 2 at 10:45AM CDT by NWS Des Moines IA
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
October 1, 2026 - 6:43pm
Expires: 
October 2, 2026 - 8:45am
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Grundy County in central Iowa... Northern Tama County in central Iowa... Southeastern Butler County in north central Iowa... Black Hawk County in northeastern Iowa... * WHEN...Until 1045 AM CDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Several structures are flooded and some sand bagging operations are continuing. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 841 PM CDT, flooding is ongoing across the warned area. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Waterloo, Cedar Falls, Grundy Center, Evansdale, Hudson, Reinbeck, Dike, Elk Run Heights, Uni-Dome And McLeod Center, Waterloo Municipal Airport, Crossroads Mall, Washburn, Dunkerton, Raymond, Wellsburg, New Hartford, Holland, Stout and Morrison. - This includes Interstate 380 between mile markers 65 and 73.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Area Description: 
Black Hawk, IA; Butler, IA; Grundy, IA; Tama, IA
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov