Illinois Flood Warning | Effective 04/27/2026 19:43

Headline: 
Flood Warning issued April 27 at 9:43PM CDT until May 2 at 9:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 27, 2026 - 7:43pm
Expires: 
April 28, 2026 - 7:45pm
Description: 
...The Flood Warning continues for the following rivers in Illinois...Iowa...Missouri... Mississippi River at New Boston LD17 affecting Mercer and Louisa Counties. Mississippi River at Burlington affecting Henderson, Lee, Des Moines and Hancock Counties. Rock River at Moline affecting Henry IL and Rock Island Counties. Rock River near Joslin affecting Henry IL, Rock Island and Whiteside Counties. Mississippi River at Muscatine affecting Muscatine, Rock Island, Louisa and Mercer Counties. Mississippi River at Gregory Landing affecting Clark and Hancock Counties. Mississippi River at Gladstone LD18 affecting Des Moines and Henderson Counties. ...The Flood Warning is extended for the following rivers in Illinois...Iowa... Mississippi River at Keithsburg affecting Mercer, Des Moines, Louisa and Henderson Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until late Saturday evening. * IMPACTS...At 13.0 feet, Flooding of unprotected agricultural land occurs. Water also affects Lundeens Landing Campground. * ADDITIONAL DETAILS... - At 8:45 PM CDT Monday the stage was 13.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Monday was 13.8 feet. - Forecast...The river is expected to fall below flood stage early Saturday afternoon and continue falling to 11.2 feet Monday, May 04. - Flood stage is 12.0 feet.
Instruction: 
Caution is urged when walking near riverbanks. 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. The next statement will be issued by Tuesday evening at 945 PM CDT.
Area Description: 
Henry, IL; Rock Island, IL; Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov