Hannibal, MO Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Hannibal, Marion County, Missouri.
Updated Jul 29, 2026, 2:54 PM local time · Radar refreshes every 5 minutes
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Hannibal
86°F
Wind 3 mph
Humidity 44%
Cloud cover 1%
UV index 8
Alerts 0
Active alerts
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No active National Weather Service alerts for Hannibal, MO.
Hannibal weather radar
Light
Heavy
Next 24 hours
Now
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84°F
3 PM
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86°F
4 PM
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87°F
5 PM
☀️
87°F
6 PM
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87°F
7 PM
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84°F
8 PM
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81°F
9 PM
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78°F
10 PM
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75°F
11 PM
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73°F
12 AM
☀️
72°F
1 AM
☀️
71°F
2 AM
☀️
70°F
3 AM
☀️
69°F
4 AM
☀️
68°F
5 AM
☀️
66°F
6 AM
☀️
65°F
7 AM
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66°F
8 AM
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71°F
9 AM
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76°F
10 AM
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80°F
11 AM
☁️
83°F
12 PM
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86°F
1 PM
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88°F
7-day forecast
Today
Jul 29
⛅
87°F
70°F
1%
Thu
Jul 30
☁️
90°F
65°F
2%
Fri
Jul 31
🌧️
89°F
68°F
90%
Sat
Aug 1
🌦️
76°F
66°F
72%
Sun
Aug 2
☁️
83°F
61°F
11%
Mon
Aug 3
☀️
89°F
62°F
9%
Tue
Aug 4
☀️
91°F
62°F
6%
Weather near Hannibal
16 mi
Quincy, IL60 mi
Jacksonville, IL63 mi
Macomb, IL68 mi
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O'Fallon, MO73 mi
Kirksville, MO74 mi
Columbia, MO74 mi
Saint Peters, MO
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.