Active Weather Alerts
River Flood Watch
Issued: 5:20 PM Apr. 27, 2026 – National Weather Service
...FLOOD WATCH NOW IN EFFECT FROM TUESDAY AFTERNOON TO SATURDAY EVENING... * WHAT...Flooding is possible. * WHERE...Illinois River from Starved Rock Lock and Dam downstream to confluence with Big Bureau Creek, including the La Salle gauge. * WHEN...From Tuesday afternoon to Saturday evening. * IMPACTS...At 20.0 feet, Agricultural areas in La Salle, Spring Valley, and Peru are inundated. 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 11:45 AM CDT Monday the stage was 18.9 feet. - Forecast...Flood stage may be reached by late tomorrow based upon forecasted rainfall today and tonight. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood &&
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