National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Mostly Cloudy

84°F

29°C

Humidity 74%
Wind Speed NW 8 mph
Barometer 29.94 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 13 Aug 11:55 am CDT
Extended Forecast for

Hannibal MO

Heat Advisory August 13, 12:10pm until August 15, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 13, 12:10pm until August 15, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. East wind 3 to 7 mph.

    Low: 74 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 94. Heat index values as high as 107. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly clear, with a low around 76. Southeast wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95. Southwest wind 3 to 6 mph.

    High: 95 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. Heat index values as high as 106. Southeast wind around 6 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74. East wind 3 to 7 mph.
Friday
Mostly sunny, with a high near 94. Heat index values as high as 107. Light and variable wind becoming east around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers after 1am. Mostly clear, with a low around 76. Southeast wind 3 to 5 mph.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95. Southwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hannibal MO
 39.71°N 91.36°W (Elev. 597 ft)
Last Update:
4:26 am CDT Aug 13, 2026
Forecast Valid:
12pm CDT Aug 13, 2026-6pm CDT Aug 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation