Illinois Severe Flood Warning | Effective 09/26/2026 08:47

Headline: 
Flood Warning issued September 26 at 10:47AM CDT until October 1 at 7:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 26, 2026 - 8:47am
Expires: 
September 27, 2026 - 3:00am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until Thursday morning. * IMPACTS...At 8.0 feet, Agricultural and park land is inundated near the river. Residential property is threatened near the river. * ADDITIONAL DETAILS... - At 9:30 AM CDT Saturday the stage was 8.5 feet. - Recent Activity...The river continues a gradual fall. - Forecast...The river is expected to fall below flood stage on Thursday. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
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. These forecasts are based almost entirely on observed precipitation as little to no additional precipitation is currently expected over the next 24 to 48 hours. Additional information is available at www.weather.gov. The next statement will be issued by late tonight.
Area Description: 
Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov