Iowa Severe Flood Warning | Effective 09/20/2026 04:44

Headline: 
Flood Warning issued September 20 at 6:44AM CDT until September 20 at 5:00PM CDT by NWS La Crosse WI
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
September 20, 2026 - 4:44am
Expires: 
September 20, 2026 - 3:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Southwestern Clayton County in northeastern Iowa... * WHEN...Until 500 PM CDT Sunday. * IMPACTS...Minor to moderate flooding along the Volga River. * ADDITIONAL DETAILS... - At 642 AM CDT, flooding continues on the Volga River in southwestern Clayton County. The river has crested and is starting to fall, and is expected to fall below flood stage later today or tonight. Gauge reports indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Volga, Highway 13 And County C 24, Osborne, Mederville, Communia and Littleport. - http://www.weather.gov/safety/flood
Instruction: 
Be aware of your surroundings and do not drive on flooded roads.
Area Description: 
Clayton, IA
Forcast Office: 
NWS La Crosse WI
Sender: 
w-nws.webmaster@noaa.gov