Active Weather Alerts
River Flood Warning
Issued: 4:48 PM Sep. 20, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM WEDNESDAY EVENING TO SUNDAY AFTERNOON... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Wednesday evening to Sunday afternoon. * IMPACTS...At 18.0 feet, The northern end of Southside Recreation #2 Park along Bear Creek begins flooding at this height. Gate wells are shut down to prevent the sewers from backing up. Also at this level pumps are set to standby. * ADDITIONAL DETAILS... - At 11:15 AM CDT Sunday the stage was 11.6 feet. - Forecast...The river is expected to rise above flood stage late Wednesday evening to a crest of 18.2 feet early Friday morning. It will then fall below flood stage Saturday morning. - Flood stage is 17.0 feet. && All Times CDT Fld Observed Forecasts (1 pm) Location Stg Stage Mon Tue Wed Thu Fri Mississippi River Hannibal 17.0 11.6 12.3 14.2 16.2 17.9 18.0 &&
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