Iowa Severe Flood Warning | Effective 06/20/2026 16:36

Headline: 
Flood Warning issued June 20 at 6:36PM CDT until June 22 at 3:00AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 20, 2026 - 4:36pm
Expires: 
June 21, 2026 - 4:45pm
Description: 
...The Flood Warning continues for the following rivers in Iowa... Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...Until early Monday morning. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS... - At 6:00 PM CDT Saturday the stage was 15.0 feet and nearly steady. - Forecast...The river will hold around 15.0 feet through tomorrow evening and then slowly fall below flood stage. - Flood stage is 15.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Sunday evening at 645 PM CDT.
Area Description: 
Benton, IA; Iowa, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov