Illinois Severe Flood Warning | Effective 06/25/2026 07:58

Headline: 
Flood Warning issued June 25 at 9:58AM CDT until June 29 at 7:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 25, 2026 - 7:58am
Expires: 
June 26, 2026 - 2:00am
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam Counties. ...The Flood Warning is cancelled for the following rivers in Illinois... Thorn Creek at Thornton affecting Cook County. For the Illinois River (Upper)...including La Salle...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...Until Monday morning. * IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river. * ADDITIONAL DETAILS... - At 9:45 AM CDT Thursday the stage was 22.0 feet. - Forecast...The river is expected to fall below flood stage early Monday morning and continue falling to 18.3 feet Thursday, July 02. - 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 this morning.
Area Description: 
Bureau, IL; La Salle, IL; Putnam, IL
Forcast Office: 
NWS Chicago IL