Illinois Flood Warning | Effective 04/20/2026 09:00

Headline: 
Flood Warning issued April 20 at 11:00AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 20, 2026 - 9:00am
Expires: 
April 21, 2026 - 9:00am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Pecatonica River at Freeport affecting Stephenson County. ...The Flood Warning continues for the following rivers in Illinois... Rock River at Como affecting Whiteside County. Rock River at Moline affecting Rock Island and Henry IL Counties. Rock River near Joslin affecting Rock Island, Whiteside and Henry IL Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until further notice. * IMPACTS...At 16.0 feet, Water affects much of Barstow Road between Barstow and Osborn. Water also affects homes in Osborn. * ADDITIONAL DETAILS... - At 9:45 AM CDT Monday the stage was 15.4 feet. - Forecast...The river is expected to rise to a crest of 16.0 feet early tomorrow afternoon. - Flood stage is 12.0 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 morning at 1100 AM CDT.
Area Description: 
Henry, IL; Rock Island, IL; Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL