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.

Overcast

70°F

21°C

Humidity 88%
Wind Speed NW 7 mph
Barometer 29.77 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 2 Aug 8:45 am CDT
Extended Forecast for

3 Miles WNW Buncombe IL

  • Today

    Today: Patchy showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 79. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 79 °F

    Patchy
    Drizzle then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. North wind 5 to 8 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. North wind 3 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light north northeast wind.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Wednesday Night

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

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy showers before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 79. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 66. North wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 85. North wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 65. Calm wind.
Tuesday
Sunny, with a high near 87. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 66. Calm wind.
Wednesday
Sunny, with a high near 90. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 69. Calm wind.
Thursday
Mostly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south southwest around 6 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Buncombe IL
 37.49°N 89.02°W
Last Update:
8:00 am CDT Aug 2, 2026
Forecast Valid:
9am CDT Aug 2, 2026-6pm CDT Aug 8, 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