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.

Fair

70°F

21°C

Humidity 86%
Wind Speed S 5 mph
Barometer 30.00 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 24 Jun 10:55 pm CDT
Extended Forecast for

2 Miles NNE Buncombe IL

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 86 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 3 to 8 mph.

    Low: 74 °F

    Clear

Detailed Forecast

Tonight
A slight chance of showers before 4am, then a slight chance of thunderstorms after 5am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 20%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 86. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 72. South southwest wind 3 to 8 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 93. South southwest wind 5 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 74. South southwest wind 3 to 8 mph.
Monday
Sunny, with a high near 95. South southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Clear, with a low around 76. Light south wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Buncombe IL
 37.49°N 88.96°W
Last Update:
9:51 pm CDT Jun 24, 2026
Forecast Valid:
11pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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