Illinois Flood Warning | Effective 04/21/2026 09:21

Headline: 
Flood Warning issued April 21 at 11:21AM CDT until April 22 at 9:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 21, 2026 - 9:21am
Expires: 
April 22, 2026 - 9:30am
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...Minor flooding is occurring and is forecast. * WHERE...Rock River at Como. * WHEN...Until late tomorrow evening. * IMPACTS...At 12.8 feet, Water begins to encroach into properties on Regan Road northeast of Como. * ADDITIONAL DETAILS... - At 11:00 AM CDT Tuesday the stage was 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 11:00 AM CDT Tuesday was 13.4 feet. - Forecast...The river has crested and will continue to slowly fall below flood stage tomorrow. - Flood stage is 12.5 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Wednesday morning at 1130 AM CDT.
Area Description: 
Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL