Iowa Severe Flood Warning | Effective 06/21/2026 08:27

Headline: 
Flood Warning issued June 21 at 10:27AM CDT until June 22 at 9:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 21, 2026 - 8:27am
Expires: 
June 22, 2026 - 8:30am
Description: 
...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Minor flooding is occurring. * WHERE...Iowa River at Marengo. * WHEN...Until late tomorrow evening. * 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 10:00 AM CDT Sunday the stage was 15.0 feet and slowly rising. - Forecast...The river is expected to rise to a crest of 15.2 feet just after midnight tonight. It will then fall below flood stage early tomorrow afternoon. - 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 Monday morning at 1030 AM CDT.
Area Description: 
Benton, IA; Iowa, IA
Forcast Office: 
NWS Quad Cities IA IL