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

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

54°F

12°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 29.98 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 7 Oct 6:45 am CDT
Extended Forecast for

Buncombe IL

  • Today

    Today: Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Friday Night

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

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 5 to 9 mph.

    Low: 58 °F

    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 75. Northeast wind around 9 mph becoming west northwest in the afternoon.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning.
Tonight
Clear, with a low around 58. Light and variable wind.
Thursday
Sunny, with a high near 84. Calm wind becoming northeast around 5 mph.
Thursday Night
Clear, with a low around 55. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 60. Calm wind.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 81. Calm wind becoming southeast 5 to 8 mph in the morning.
Saturday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 58. East northeast wind 5 to 9 mph.
Sunday
A chance of showers. Partly sunny, with a high near 75. Northeast wind around 9 mph becoming west northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 57. Calm wind.
Columbus Day
Mostly sunny, with a high near 80. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 58. Calm wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 8 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Buncombe IL
 37.47°N 88.99°W
Last Update:
3:36 am CDT Oct 7, 2026
Forecast Valid:
7am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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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