Illinois Severe Flood Warning | Effective 09/21/2026 08:23

Headline: 
Flood Warning issued September 21 at 10:23AM CDT until September 24 at 3:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 21, 2026 - 8:23am
Expires: 
September 22, 2026 - 8:30am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Rock River near Joslin affecting Whiteside, Henry IL and Rock Island Counties. Rock River at Moline affecting Henry IL and Rock Island Counties. * WHAT...Minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...From this afternoon to Thursday afternoon. * IMPACTS...At 13.7 feet, Water affects Barstow Road between Barstow and Osborn. * ADDITIONAL DETAILS... - At 9:45 AM CDT Monday the stage was 10.9 feet. - Forecast...The river is expected to rise above flood stage late this afternoon to a crest of 13.4 feet tomorrow morning. It will then fall below flood stage Thursday morning. - Flood stage is 12.0 feet.
Instruction: 
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 morning.
Area Description: 
Henry, IL; Rock Island, IL; Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov