Illinois Severe Flood Warning | Effective 07/04/2026 18:51

Headline: 
Flood Warning issued July 4 at 8:51PM CDT until July 5 at 8:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 4, 2026 - 6:51pm
Expires: 
July 5, 2026 - 1:00pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois... East Branch Du Page River at Bolingbrook affecting Will and DuPage Counties. For the East Branch Du Page River...including Bolingbrook...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Branch Du Page River from Maple Avenue in Lisle downstream to confluence with West Branch DuPage River, including the Bolingbrook gauge. * WHEN...Until Sunday evening. * IMPACTS...At 22.0 feet, Low-lying trails of Trout Farm Park are inundated in Bolingbrook. * ADDITIONAL DETAILS... - At 8:40 PM CDT Saturday the stage was 21.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:40 PM CDT Saturday was 21.3 feet. - Forecast...The river is expected to rise to a crest of 21.5 feet just after midnight tonight. It will then fall below flood stage Sunday afternoon. - Flood stage is 20.0 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 Sunday afternoon.
Area Description: 
DuPage, IL; Will, IL
Forcast Office: 
NWS Chicago IL