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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Palmyra MO

Heat Advisory June 21, 12:00pm until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 76. South wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 94. Heat index values as high as 106. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 31 mph.
Tonight
Clear, with a low around 76. South wind 9 to 14 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 102. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 74. South wind 8 to 11 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 94. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Palmyra MO
 39.8°N 91.53°W (Elev. 600 ft)
Last Update:
3:21 am CDT Jun 21, 2025
Forecast Valid:
5am CDT Jun 21, 2025-6pm CDT Jun 27, 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