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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Hannibal Regional Airport (KHAE)

Lat: 39.73°NLon: 91.44°WElev: 770ft.

Fair

70°F

21°C

Humidity 83%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 8:35 am CDT
Extended Forecast for

Vandalia MO

  • Today

    Today: Sunny, with a high near 84. Calm wind.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 69. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 92. South wind around 11 mph, with gusts as high as 21 mph.

    High: 92 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Calm wind.
Tonight
Mostly clear, with a low around 60. Calm wind.
Saturday
Partly sunny, with a high near 86. Light southeast wind becoming south 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 69. South wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 92. South wind around 11 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
A 20 percent chance of showers. Sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vandalia MO
 39.31°N 91.49°W (Elev. 751 ft)
Last Update:
6:21 am CDT Aug 28, 2026
Forecast Valid:
8am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
Forecast Discussion
 
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Additional Resources

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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