Active Weather Alerts
River Flood Warning
Issued: 3:02 AM Aug. 16, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL WEDNESDAY EVENING... * WHAT...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 Wednesday evening. * 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 PM CDT Saturday the stage was 19.5 feet. - Forecast...The river is expected to rise above flood stage late tomorrow morning to a crest of 22.4 feet Monday evening. It will then fall below flood stage early Wednesday afternoon. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood &&
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