Active Weather Alerts
River Flood Warning
Issued: 2:47 AM Apr. 12, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM LATE SUNDAY NIGHT TO SATURDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From late Sunday night to Saturday afternoon. * 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 Saturday the stage was 16.7 feet. - Forecast...The river is expected to rise above flood stage early Monday morning to a crest of 17.5 feet Tuesday evening. It will then fall below flood stage Friday morning. - Flood stage is 17.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Mon Tue Wed Thu Fri Mississippi River Hannibal 17.0 16.7 17.0 17.4 17.5 17.4 17.0 &&
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