Flood Watch Illinois | Effective 04/06/2026 08:24

Headline: 
Flood Watch issued April 6 at 10:24AM CDT until April 10 at 4:00PM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
April 6, 2026 - 8:24am
Expires: 
April 7, 2026 - 2:30am
Description: 
...The Flood Watch continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. ...The Flood Watch is extended for the following rivers in Illinois... Des Plaines River at Lincolnshire affecting Northern Cook and Lake IL zones. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater, Montgomery, Dayton...flooding is possible. * WHAT...Flooding is possible. * WHERE...Des Plaines River from Townline Road in Libertyville downstream to Palatine Road in Prospect Heights, including the Lincolnshire gauge. * WHEN...From Tuesday afternoon to Friday afternoon. * IMPACTS...At 13.0 feet, Low-lying trails in Wright Woods Forest Preserve are inundated. * ADDITIONAL DETAILS... - At 9:45 AM CDT Monday the stage was 11.9 feet. - Forecast...Flood stage may be reached early tomorrow afternoon. - Flood stage is 12.5 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 late tonight.
Area Description: 
Lake; Northern Cook
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov