Active Weather Alerts
River Flood Warning
Issued: 4:56 AM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM LATE SUNDAY NIGHT UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...From late Sunday night until further notice. * 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 11:45 PM CDT Friday the stage was 18.4 feet. - Forecast...The river is expected to rise above flood stage early Monday morning and continue rising to a crest of 23.8 feet Tuesday evening. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (1 am CDT) Location Stg Stg Day/Time Sun Mon Tue Illinois River Henry 23.0 18.4 Fri 11 pm CD 21.0 22.8 23.6 &&
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