Active Weather Alerts
River Flood Warning
Issued: 4:45 PM Apr. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY AFTERNOON... * 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 Friday afternoon. * 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 10:45 AM CDT Sunday the stage was 23.4 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:45 AM CDT Sunday was 23.4 feet. - Forecast...The river is expected to rise to a crest of 23.6 feet this evening. It will then fall below flood stage late Friday morning. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood &&
River Flood Warning
Issued: 4:43 PM Apr. 5, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM TUESDAY AFTERNOON TO EARLY FRIDAY MORNING... * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...From Tuesday afternoon to early Friday morning. * 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 10:45 AM CDT Sunday the stage was 20.5 feet. - Forecast...The river is expected to rise above flood stage early Tuesday afternoon to a crest of 23.2 feet early Wednesday morning. It will then fall below flood stage Thursday evening. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (1 pm CDT) Location Stg Stg Day/Time Mon Tue Wed Illinois River Henry 23.0 20.5 Sun 10 am CD 22.0 23.0 23.2 &&
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