Illinois Severe Flood Watch | Effective 09/19/2026 20:06

Headline: 
Flood Watch issued September 19 at 10:06PM CDT until September 21 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 19, 2026 - 8:06pm
Expires: 
September 20, 2026 - 2:15pm
Description: 
...The National Weather Service in Chicago has issued a Flood Watch for the following rivers in Illinois... Du Page River at Shorewood affecting Southern Will and Northern Will zones. * WHAT...Flooding is possible. * WHERE...Du Page River from IL-59 in Plainfield downstream to confluence with Des Plaines River, including the Shorewood gauge. * WHEN...From Sunday afternoon to late Sunday night. * IMPACTS...At 16.0 feet, Clark Drive threatened in Shorewood. * ADDITIONAL DETAILS... - At 8:45 PM CDT Saturday the stage was 12.6 feet. - Forecast...Flood stage may be reached tomorrow afternoon. - Flood stage is 15.5 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 Sunday afternoon.
Area Description: 
Northern Will; Southern Will
Forcast Office: 
NWS Chicago IL
Sender: 
w-nws.webmaster@noaa.gov