Active Weather Alerts
River Flood Warning
Issued: 2:27 AM Jul. 6, 2026 – National Weather Service
...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE... * 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 further notice. * 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 Sunday the stage was 23.2 feet. - Recent Activity...The river continues a gradual rise. - Forecast...The river is expected to rise to a crest tomorrow. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 2:16 AM Jul. 6, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM MONDAY EVENING TO THURSDAY EVENING... * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...From Monday evening to Thursday evening. * IMPACTS...At 23.0 feet, Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river. * ADDITIONAL DETAILS... - At 8:45 PM CDT Sunday the stage was 22.1 feet. - Forecast...The river is expected to rise above flood stage tomorrow evening to a crest of 23.5 feet early Tuesday afternoon. It will then fall below flood stage early Thursday afternoon. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (7 pm CDT) Location Stg Stg Day/Time Mon Tue Wed Illinois River Henry 23.0 22.1 Sun 8 pm CDT 23.0 23.5 23.3 &&
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