Illinois Severe Flood Warning | Effective 06/23/2026 19:16

Headline: 
Flood Warning issued June 23 at 9:16PM CDT until June 24 at 5:43AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 23, 2026 - 7:16pm
Expires: 
June 24, 2026 - 3:45am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... La Moine River at Colmar affecting McDonough and Hancock Counties. ...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties. * WHAT...Minor flooding is occurring. * WHERE...La Moine River at Colmar. * WHEN...Until late tonight. * 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 8:45 PM CDT Tuesday the stage was 20.2 feet. - Forecast...The river is expected to fall below flood stage late this evening and continue falling to 6.6 feet Tuesday, June 30. - 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 by late tonight at 545 AM CDT.
Area Description: 
Hancock, IL; McDonough, IL
Forcast Office: 
NWS Quad Cities IA IL