Hannibal, MO 7-Day Night Weather Forecast
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Hannibal, MO Weather Forecast


Hannibal, MO Weather Forecast Date: 238 PM CDT Wed Sep 16 2026
The area/counties/county of: Adams County Il, including the cities of: Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 70s. East winds around 5 mph, becoming southeast after midnight.
Thursday... Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 20%. Heat index values up to 101.
Thursday Night... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with lows around 70. Northeast winds around 5 mph. Chance of rain 20%.
Friday... Mostly sunny. A slight chance of showers in the morning. Humid with highs around 90. East winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 20%. Heat index values up to 100 in the afternoon.
Friday Night... Mostly clear. Lows in the lower 70s. South winds around 5 mph.
Saturday... Partly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Chance of rain 20%.
Saturday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 70%.
Sunday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50%.
Sunday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 60%.
Monday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50%.
Monday Night... Mostly cloudy. A 20% chance of showers. Lows in the lower 60s. Highs in the mid 70s.
Tuesday... Mostly cloudy. A 20% chance of showers. Lows in the lower 60s. Highs in the mid 70s.
Tuesday Night... Partly cloudy. Lows in the upper 50s.
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