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.

N/A

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

4 Miles SW Buncombe IL

  • Tonight

    Tonight: Increasing clouds, with a low around 59. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Southwest wind around 6 mph becoming north after midnight.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. North wind around 6 mph becoming calm in the afternoon.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers after noon. Mostly sunny, with a high near 61. Calm wind becoming east southeast 5 to 7 mph in the morning.

    High: 61 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. East southeast wind around 7 mph becoming south after midnight. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers before noon. Partly sunny, with a high near 68. South wind 6 to 9 mph becoming north northwest in the afternoon.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers. Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 59. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
Mostly sunny, with a high near 75. Southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 48. Southwest wind around 6 mph becoming north after midnight.
Sunday
Sunny, with a high near 61. North wind around 6 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 37. Calm wind.
Monday
A 30 percent chance of showers after noon. Mostly sunny, with a high near 61. Calm wind becoming east southeast 5 to 7 mph in the morning.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. East southeast wind around 7 mph becoming south after midnight. Chance of precipitation is 70%.
Tuesday
A chance of showers before noon. Partly sunny, with a high near 68. South wind 6 to 9 mph becoming north northwest in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 43. North wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Calm wind becoming east around 6 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 47. Calm wind becoming south around 6 mph after midnight.
Thursday
Showers likely. Mostly cloudy, with a high near 66. South southwest wind 6 to 9 mph.
Thursday Night
Showers likely. Mostly cloudy, with a low around 47. South southeast wind 5 to 7 mph.
Friday
A chance of showers. Partly sunny, with a high near 63. South southeast wind 7 to 10 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Buncombe IL
 37.45°N 89.02°W
Last Update:
7:47 pm CST Nov 14, 2025
Forecast Valid:
11pm CST Nov 14, 2025-6pm CST Nov 21, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation