Illinois Severe Flood Warning | Effective 07/04/2026 18:33

Headline: 
Flood Warning issued July 4 at 8:33PM CDT until July 7 at 9:24AM CDT by NWS Chicago IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
July 4, 2026 - 6:33pm
Expires: 
July 5, 2026 - 12:45pm
Description: 
...Forecast flooding changed to Moderate severity and increased in duration for the following rivers in Illinois... Fox River at Dayton affecting La Salle County. For the Fox River (Illinois)...including Dayton...Moderate flooding is forecast. * WHAT...Minor flooding is occurring and moderate flooding is forecast. * WHERE...Fox River from Millington downstream to confluence with the Illinois River, including the Dayton gauge. * WHEN...Until late Tuesday morning. * IMPACTS...At 14.5 feet, Low-lying agricultural land inundated near Norway. * ADDITIONAL DETAILS... - At 7:45 PM CDT Saturday the stage was 13.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM CDT Saturday was 13.0 feet. - Forecast...The river is expected to rise to a crest of 15.1 feet Sunday afternoon. It will then fall below flood stage early Tuesday morning. - Flood stage is 12.0 feet. - Flood History...This crest compares to a previous crest of 15.1 feet on 02/07/2019. - 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: 
La Salle, IL
Forcast Office: 
NWS Chicago IL