Illinois Flood Warning | Effective 04/18/2026 03:50

Headline: 
Flood Warning issued April 18 at 5:50AM CDT until April 21 at 4:00AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 3:50am
Expires: 
April 19, 2026 - 4:00am
Description: 
...The National Weather Service in Quad Cities IA IL has issued a Flood Warning for the following rivers in Illinois... La Moine River at Colmar affecting Hancock and McDonough Counties. * WHAT...Minor flooding is forecast. * WHERE...La Moine River at Colmar. * WHEN...From this evening to early Tuesday morning. * IMPACTS...At 20.0 feet, Water affects the lowest portions of Lambert Road and affects Lamar Road approximately 100 feet north of the intersection with County Road 26. * ADDITIONAL DETAILS... - At 4:45 AM CDT Saturday the stage was 16.0 feet. - Forecast...The river is expected to rise above flood stage this evening to a crest of 21.9 feet early tomorrow afternoon. It will then fall below flood stage Monday evening. - Flood stage is 20.0 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. The next statement will be issued bySunday morning at 600 AM CDT.
Area Description: 
Hancock, IL; McDonough, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov