Active Weather Alerts
River Flood Warning
Issued: 4:48 PM Apr. 4, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM MONDAY AFTERNOON UNTIL FURTHER NOTICE... * WHAT...Minor flooding is forecast. * WHERE...Illinois River at Henry. * WHEN...From Monday afternoon 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 10:45 AM CDT Saturday the stage was 19.1 feet. - Forecast...The river is expected to rise above flood stage early Monday afternoon and continue rising to a crest of 23.8 feet early Wednesday morning. - Flood stage is 23.0 feet. - http://www.weather.gov/safety/flood && Fld Observed Forecasts (1 pm CDT) Location Stg Stg Day/Time Sun Mon Tue Illinois River Henry 23.0 19.1 Sat 10 am CD 21.7 23.0 23.7 &&
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