Iowa Severe Flood Watch | Effective 09/15/2026 01:57

Headline: 
Flood Watch issued September 15 at 3:57AM CDT until September 16 at 1:00PM CDT by NWS Des Moines IA
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 15, 2026 - 1:57am
Expires: 
September 15, 2026 - 3:00pm
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southwestern, central, and northeastern Iowa. * WHEN...Through Wednesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Heavy rainfall is expected to continue through this morning before a lull in activity is forecast for this afternoon. However, heavy rainfall is forecast to move back into the area late Tuesday night into Wednesday.
Instruction: 
For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Area Description: 
Wright; Franklin; Butler; Bremer; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Adams; Union; Clarke; Lucas; Taylor; Ringgold; Decatur; Wayne
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov