Illinois Severe Flood Warning | Effective 09/30/2026 11:06

Headline: 
Flood Warning issued September 30 at 1:06PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
September 30, 2026 - 11:06am
Expires: 
October 1, 2026 - 5:15am
Description: 
...The Flood Warning is extended 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 IL/WI state line downstream to US-41 in Gurnee, including the Russell gauge. * WHEN...Until further notice. * IMPACTS...At 8.0 feet, Agricultural and park land is inundated near the river. Residential property is threatened near the river. * ADDITIONAL DETAILS... - At 12:30 PM CDT Wednesday the stage was 7.1 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 12:30 PM CDT Wednesday was 7.4 feet. - Forecast...The river is expected fall below stage tonight, but then rise above flood stage again Friday and continue rising to a crest of 7.9 feet early Monday morning. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.9 feet on 02/23/2018. - 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 48 hours into the future. Changes to the rainfall forecast, or any additional rainfall after 48 hours, may cause changes to these river forecasts. Additional information is available at www.weather.gov. The next statement will be issued by Thursday morning.
Area Description: 
Lake, IL
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov