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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

☀️
Hannibal
Clear
86°F
Feels like 92°F
Wind 3 mph
Humidity 44%
Cloud cover 1%
UV index 8
Alerts 0

Active alerts

No active National Weather Service alerts for Hannibal, MO.

Hannibal weather radar

Light Heavy

Next 24 hours

Now
☀️
84°F
 
3 PM
☀️
86°F
 
4 PM
☀️
87°F
 
5 PM
☀️
87°F
 
6 PM
☀️
87°F
 
7 PM
☀️
84°F
 
8 PM
☀️
81°F
 
9 PM
☀️
78°F
 
10 PM
☀️
75°F
 
11 PM
☀️
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
☀️
66°F
 
8 AM
☀️
71°F
 
9 AM
☀️
76°F
 
10 AM
☁️
80°F
 
11 AM
☁️
83°F
 
12 PM
☁️
86°F
 
1 PM
☁️
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 Wentzville, MO71 mi 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.