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

82°F

28°C

Humidity 66%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 8 Aug 10:45 am CDT
Extended Forecast for

Buncombe IL

  • Today

    Today: Mostly cloudy, with a high near 90. South southwest wind 3 to 5 mph.

    High: 90 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the morning.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind 5 to 7 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 5 to 9 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Southwest wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southwest wind 6 to 9 mph.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 90. South southwest wind 3 to 5 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 70. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 91. Calm wind becoming south 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. South wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. South southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 75. South southwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 95. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 76. Southwest wind 5 to 7 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 74. South southwest wind 5 to 7 mph.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. West southwest wind 3 to 6 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Light and variable wind becoming south 5 to 7 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buncombe IL
 37.47°N 88.99°W
Last Update:
11:11 am CDT Aug 8, 2026
Forecast Valid:
11am CDT Aug 8, 2026-6pm CDT Aug 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation