Flood Warning Illinois | Effective 04/08/2026 19:36

Headline: 
Flood Warning issued April 8 at 9:36PM CDT until April 10 at 1:00AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
April 8, 2026 - 7:36pm
Expires: 
April 9, 2026 - 1:45pm
Description: 
...The Flood Warning is extended for the following rivers in Illinois... Illinois River at La Salle affecting Bureau, La Salle and Putnam Counties. * 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 Friday morning. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. * ADDITIONAL DETAILS... - At 8:45 PM CDT Wednesday the stage was 20.7 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:45 PM CDT Wednesday was 21.4 feet. - Forecast...The river is expected to fall below flood stage Thursday evening. - 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 Thursday afternoon.
Area Description: 
Bureau, IL; La Salle, IL; Putnam, IL
Forcast Office: 
NWS Chicago IL