Illinois Severe Flood Warning | Effective 09/22/2026 19:16

Headline: 
Flood Warning issued September 22 at 9:16PM CDT until September 26 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 22, 2026 - 7:16pm
Expires: 
September 23, 2026 - 1:30pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL County. ...The Flood Warning continues for the following rivers in Illinois... Des Plaines River near Russell affecting Lake IL County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...Until late Friday night. * IMPACTS...At 7.0 feet, Forest land inundated near the river in Gurnee. * ADDITIONAL DETAILS... - At 8:30 PM CDT Tuesday the stage was 7.0 feet. - Forecast...The river is expected to rise to a crest of 7.8 feet early Thursday morning. It will then fall below flood stage Friday evening. - 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 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. Additional information is available at www.weather.gov. The next statement will be issued by Wednesday afternoon.
Area Description: 
Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov