Iowa Severe Flood Watch | Effective 08/15/2026 00:56

Headline: 
Flood Watch issued August 15 at 2:56AM CDT until August 15 at 10:00AM CDT by NWS Des Moines IA
Event: 
Flood Watch
Urgency: 
Future
Effective: 
August 15, 2026 - 12:56am
Expires: 
August 15, 2026 - 8:00am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...For Highway 30 counties and areas south to the Missouri border in central Iowa. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Several rounds of rain have brought 2 to 6 inches of rain to central Iowa this week. Additional rainfall is possible through early this morning. Saturated soils and high rainfall rates may overwhelm capacity, which will increase flooding potential.
Instruction: 
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. For the latest stream observations and forecasts refer to weather.gov/desmoines/water.
Area Description: 
Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Audubon; Guthrie; Dallas; Polk; Jasper; Poweshiek; Cass; Adair; Madison; Warren; Marion; Mahaska; Adams; Union; Clarke; Lucas; Monroe; Wapello; Taylor; Ringgold; Decatur; Wayne; Appanoose; Davis
Forcast Office: 
NWS Des Moines IA
Sender: 
w-nws.webmaster@noaa.gov