Illinois Severe Flood Warning | Effective 07/06/2026 19:25

Headline: 
Flood Warning issued July 6 at 9:25PM CDT until July 9 at 1:00PM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
July 6, 2026 - 7:25pm
Expires: 
July 7, 2026 - 1:30pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting La Salle, Putnam and Bureau Counties. 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 early Thursday afternoon. * 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 8:45 PM CDT Monday the stage was 22.9 feet. - Recent Activity...The river continues a gradual fall. - Forecast...The river is expected to fall below flood stage later this week. - 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. Additional information is available at www.weather.gov. The next statement will be issued by Tuesday afternoon.
Area Description: 
Bureau, IL; La Salle, IL; Putnam, IL
Forcast Office: 
NWS Chicago IL