Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Fair

70°F

21°C

Humidity 88%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 8:15 pm CDT
Extended Forecast for

Hannibal MO

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 64. Light and variable wind.

    Low: 64 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 84. Southwest wind 3 to 7 mph.

    High: 84 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly between 2am and 3am.  Increasing clouds, with a low around 68. Light and variable wind becoming east around 5 mph.  Chance of precipitation is 60%.

    Low: 68 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 80. Southeast wind around 5 mph becoming calm  in the morning.

    High: 80 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 64. Light and variable wind.
Tuesday
Increasing clouds, with a high near 84. Southwest wind 3 to 7 mph.
Tuesday Night
Showers and thunderstorms likely, mainly between 2am and 3am. Increasing clouds, with a low around 68. Light and variable wind becoming east around 5 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80. Southeast wind around 5 mph becoming calm in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 82.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66.
Saturday
A 20 percent chance of showers before 1pm. Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Hannibal MO
 39.71°N 91.36°W (Elev. 597 ft)
6:11 pm CDT Aug 17, 2026
8pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database