Illinois Severe Flood Warning | Effective 06/18/2026 17:27

Headline: 
Flood Warning issued June 18 at 7:27PM CDT until June 19 at 3:00PM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 5:27pm
Expires: 
June 19, 2026 - 1:00pm
Description: 
...The Flood Warning is extended 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...Until tomorrow afternoon. * 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 6:45 PM CDT Thursday the stage was 20.0 feet and steady. - Forecast...The river is expected to fall below flood stage tomorrow morning and continue falling to 5.6 feet Thursday, June 25. - Flood stage is 20.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Friday afternoon at 300 PM CDT.
Area Description: 
Hancock, IL; McDonough, IL
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov