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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

70°F

21°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 3 Aug 9:35 pm CDT
Extended Forecast for

Buncombe IL

  • Tonight

    Tonight: Increasing clouds, with a low around 65. Calm wind.

    Low: 65 °F

    Increasing
    Clouds

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. East wind 3 to 5 mph.

    High: 82 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light southeast wind.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light east southeast wind.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 65. Calm wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 82. East wind 3 to 5 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light southeast wind.
Tuesday Night
Mostly clear, with a low around 68. Calm wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 89. Light east southeast wind.
Thursday Night
Mostly clear, with a low around 69. Calm wind.
Friday
Sunny, with a high near 90. Light south southeast wind.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 72. Light southeast wind.
Sunday
A slight chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buncombe IL
 37.47°N 88.96°W
Last Update:
9:46 pm CDT Aug 3, 2025
Forecast Valid:
9pm CDT Aug 3, 2025-6pm CDT Aug 10, 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