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

Headline: 
Flood Warning issued April 21 at 11:21AM CDT until April 22 at 3:00PM 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...Pecatonica River at Freeport. * WHEN...Until tomorrow afternoon. * IMPACTS...At 13.0 feet, Flood Stage. Water affects low lying sections of Freeport mainly east of the Pecatonica River. * ADDITIONAL DETAILS... - At 10:30 AM CDT Tuesday the stage was 13.2 feet. - Recent Activity...The river is just coming off the crest. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue to fall slowly through the weekend. - Flood stage is 13.0 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: 
Stephenson, IL
Forcast Office: 
NWS Quad Cities IA IL