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

Hazardous Weather Conditions

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Fair

82°F

28°C

Humidity 74%
Wind Speed S 9 mph
Barometer 30.07 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 18 Aug 10:35 am CDT
Extended Forecast for

4 Miles ESE Palmyra MO

Heat Advisory August 18, 10:51am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 10:51am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 3 to 5 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.

    High: 90 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Northeast wind 6 to 8 mph.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

Detailed Forecast

Today
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 93. Heat index values as high as 103. South wind 7 to 9 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 71. South wind 3 to 5 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 3 to 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 84. Northeast wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 64.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Palmyra MO
 39.78°N 91.44°W (Elev. 696 ft)
Last Update:
10:21 am CDT Aug 18, 2025
Forecast Valid:
10am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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