Active Weather Alerts
River Flood Warning
Issued: 2:50 AM Sep. 23, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE THURSDAY NIGHT TO LATE SATURDAY NIGHT... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From late Thursday night to late Saturday night and rising. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 9:15 PM CDT Tuesday the stage was 15.2 feet. - Forecast...The river is expected to rise to a crest of 17.0 feet early Friday morning. It will then fall below flood stage Friday evening. - Flood stage is 17.0 feet. && All Times CDT Fld Observed Forecasts (7 pm) Location Stg Stage Wed Thu Fri Sat Sun Mississippi River Hannibal 17.0 15.2 16.0 16.8 17.0 16.1 14.9 &&
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