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

66°F

19°C

Humidity 88%
Wind Speed Calm
Barometer 29.78 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 11 Mar 8:45 am CDT
Extended Forecast for

4 Miles SW Buncombe IL

  • Today

    Today: Showers and thunderstorms before 4pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%.

    High: 69 °F⇓

    Showers and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. North northwest wind 9 to 17 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind around 6 mph becoming west in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South wind 6 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. East wind 5 to 9 mph becoming south in the afternoon.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South southeast wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms, then showers likely after 1pm. Partly sunny, with a high near 70. Breezy, with a south wind 13 to 21 mph, with gusts as high as 33 mph.

    High: 70 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a south southwest wind 15 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. North northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 54. North northwest wind around 6 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 41. South wind 6 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Friday Night
Partly cloudy, with a low around 39. Light and variable wind.
Saturday
Sunny, with a high near 67. East wind 5 to 9 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. South southeast wind 7 to 10 mph, with gusts as high as 22 mph.
Sunday
A slight chance of showers and thunderstorms, then showers likely after 1pm. Partly sunny, with a high near 70. Breezy, with a south wind 13 to 21 mph, with gusts as high as 33 mph.
Sunday Night
A chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 29. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 41. Northwest wind around 14 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 22. North northwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 45. Calm wind becoming west 5 to 7 mph in the morning.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Buncombe IL
 37.45°N 89.02°W
Last Update:
8:41 am CDT Mar 11, 2026
Forecast Valid:
9am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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