Illinois Severe Flood Watch | Effective 09/30/2026 15:00

Headline: 
Flood Watch issued September 30 at 5:00PM CDT until October 3 at 7:00PM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 30, 2026 - 3:00pm
Expires: 
October 1, 2026 - 9:00am
Description: 
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Des Plaines River near Gurnee affecting Lake IL zone. * WHAT...Flooding is possible. * WHERE...Des Plaines River from US-41 in Gurnee downstream to Townline Road in Vernon Hills, including the Gurnee gauge. * WHEN...From Friday afternoon to Saturday evening. * ADDITIONAL DETAILS... - At 4:30 PM CDT Wednesday the stage was 6.1 feet. - Forecast...Flood stage may be reached early Friday afternoon. - Flood stage is 7.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
A Flood Watch means water levels above flood stage are possible, but not yet certain, based upon the latest forecasts. Persons along rivers and streams in the watch area should monitor the latest forecasts and be prepared to take action should flooding develop. 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 Thursday morning.
Area Description: 
Lake
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov