Active Weather Alerts
River Flood Warning
Issued: 4:33 PM Apr. 11, 2026 – National Weather Service
...FLOOD WARNING IN EFFECT FROM MONDAY AFTERNOON TO SUNDAY, APRIL 19... * WHAT...Minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...From Monday afternoon to Sunday, April 19. * IMPACTS...At 17.0 feet, John Hay Recreation Area on east side (inside the Illinois Sny Levee) begins flooding. * ADDITIONAL DETAILS... - At 11:15 AM CDT Saturday the stage was 16.7 feet. - Forecast...The river is expected to rise above flood stage Monday afternoon to a crest of 17.5 feet Wednesday morning. - Flood stage is 17.0 feet. && All Times CDT Fld Observed Forecasts (7:00 am) Location Stg Stage Sun Mon Tue Wed Thu Mississippi River Hannibal 17.0 16.7 16.8 16.9 17.2 17.5 17.5 &&
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