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.

Mostly Cloudy

75°F

24°C

Humidity 83%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Jun 9:45 am CDT
Extended Forecast for

Buncombe IL

  • Today

    Today: Partly sunny, with a high near 84. Light north northwest wind.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 81. Light southeast wind. Chance of precipitation is 60%.

    High: 81 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

    Low: 70 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the morning.

    High: 88 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 71 °F

    T-storms
    Likely

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. West northwest wind around 5 mph.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 84. Light north northwest wind.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. Light and variable wind.
Monday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 81. Light southeast wind. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind around 6 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 88. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 71. Southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Juneteenth
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 87. West northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 73. Light south wind.
Saturday
Sunny, with a high near 92. South southwest wind 3 to 8 mph.
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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:
9:18 am CDT Jun 15, 2025
Forecast Valid:
10am CDT Jun 15, 2025-6pm CDT Jun 21, 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