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    New: Official Warnings from National Meteorological Institutes Warning

    Warnings - Hannibal

    World / United States / Missouri / Hannibal

    39°42'N / 91°21'W / Altitude 158 m / 14:53 2026/04/21, America/Chicago (UTC-5)

    flood

    Flood Warning issued April 21 at 11:16AM CDT by NWS St Louis MO

    From: 2026/04/21, 11:16
    To: 2026/04/22, 23:30

    ...The Flood Warning is extended for the Mississippi River at the following points... Mississippi River at Grafton. Mississippi River at Canton. Mississippi River at Saverton. Mississippi River at Winfield. Mississippi River at Hannibal. Mississippi River at Clarksville. Mississippi River at Louisiana. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Mississippi River at Hannibal. * WHEN...Until further notice. * IMPACTS...At 19.0 feet, The Corps of Engineers begins flood fight procedures. At this level, preparations are made to install two flood gates at Hill Street and Center Street if the forecast exceeds 20.5 feet. * ADDITIONAL DETAILS... - At 10:15 AM CDT Tuesday the stage was 19.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:15 AM CDT Tuesday was 19.6 feet. - Forecast...The river is expected to rise to a crest of 19.4 feet this afternoon. - Flood stage is 17.0 feet.

    • Pike, IL; Marion, MO
    • Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
    • NWS St Louis MO
    • 2026/04/21, 11:16