National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

52°F

11°C

Humidity 82%
Wind Speed NW 9 mph
Barometer 30.30 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 16 Oct 7:15 pm CDT
Extended Forecast for

Buckner IL

  • Tonight

    Tonight: Partly cloudy, with a low around 41. North wind 13 to 16 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 62. North northeast wind 9 to 11 mph.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 35. Light northeast wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming east southeast around 6 mph in the morning.

    High: 67 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Light east wind.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. North wind 13 to 16 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 62. North northeast wind 9 to 11 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Light northeast wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67. Calm wind becoming east southeast around 6 mph in the morning.
Sunday Night
Clear, with a low around 39. Light east wind.
Monday
Sunny, with a high near 72. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 75. Calm wind becoming east northeast around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 45. Calm wind.
Thursday
Sunny, with a high near 80. Light and variable wind.
Thursday Night
Mostly clear, with a low around 48. Calm wind.
Friday
Sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Buckner IL
 38°N 88.99°W
Last Update:
4:36 pm CDT Oct 16, 2026
Forecast Valid:
7pm CDT Oct 16, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation