Iowa Severe Flood Warning | Effective 09/21/2026 18:54

Headline: 
Flood Warning issued September 21 at 8:54PM CDT until September 23 at 3:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 21, 2026 - 6:54pm
Expires: 
September 22, 2026 - 7:00pm
Description: 
...The Flood Warning is extended for the following rivers in Iowa... Cedar River near Conesville affecting Louisa and Muscatine Counties. Iowa River at Oakville affecting Louisa County. Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Louisa, Washington and Johnson Counties. English River at Kalona affecting Washington and Johnson Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River near Lone Tree. * WHEN...Until Wednesday afternoon. * IMPACTS...At 18.0 feet, Sand Road closes south of 520th Street to the Highway 22 intersection. * ADDITIONAL DETAILS... - At 8:00 PM CDT Monday the stage was 16.0 feet. - Forecast...The river is expected to rise to a crest of 17.5 feet early tomorrow afternoon. It will then fall below flood stage Wednesday morning. - Flood stage is 16.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. The next statement will be issued by Tuesday afternoon.
Area Description: 
Johnson, IA; Louisa, IA; Washington, IA
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov