Illinois Flood Warning | Effective 04/24/2026 18:18

Headline: 
Flood Warning issued April 24 at 8:18PM CDT until April 25 at 7:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 24, 2026 - 6:18pm
Expires: 
April 25, 2026 - 5:00am
Description: 
...The Flood Warning continues for the following rivers in Illinois... Fox River at Montgomery affecting Kane and Kendall Counties. Des Plaines River at Lincolnshire affecting Cook and Lake IL Counties. Des Plaines River near Russell affecting Lake IL County. Fox River at Algonquin Lock & Dam tailwater affecting Kane, Lake IL and McHenry Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Des Plaines affecting Cook County. Des Plaines River near Gurnee affecting Lake IL County. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater, Montgomery...Major flooding is forecast. * WHAT...Minor flooding is occurring and is forecasted to continue. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until tomorrow morning. * IMPACTS...At 7.0 feet, Low-lying wetlands and agricultural land is inundated near the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Friday the stage was 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM CDT Friday was 7.4 feet. - Forecast...The river is expected to fall below flood stage just after midnight tonight and continue falling to 5.8 feet Friday, May 01. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
These forecasts are based on observed precipitation as well as forecast precipitation 24 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 24 hours, may cause changes to these river forecasts. A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. Additional information is available at www.weather.gov. The next statement will be issued by Saturday morning.
Area Description: 
Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov