Illinois Flood Warning | Effective 04/20/2026 11:05

Headline: 
Flood Warning issued April 20 at 1:05PM CDT until April 21 at 9:00AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 20, 2026 - 11:05am
Expires: 
April 21, 2026 - 7:00am
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 occurring and minor flooding is forecast. * WHERE...La Moine River at Colmar. * WHEN...From this afternoon to late tomorrow 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 12:45 PM CDT Monday the stage was 20.2 feet and steady. - Forecast...The river is expected to rise to a crest of 20.3 feet this evening. It will then fall below flood stage just after midnight tonight. - Flood stage is 20.0 feet.
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Tuesday morning at 900 AM CDT.
Area Description: 
Hancock, IL; McDonough, IL
Forcast Office: 
NWS Quad Cities IA IL