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Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Mostly clear, with a low around 24. Calm wind becoming northwest around 6 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 30. Calm wind becoming east southeast 5 to 7 mph after midnight.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow, possibly mixed with rain before noon, then rain and snow, possibly mixed with sleet between noon and 3pm, then rain after 3pm. High near 42. Southeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    High: 42 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Rain before 3am, then a chance of rain and snow. Low around 29. South wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    Low: 29 °F

    Rain then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. North wind 5 to 8 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 32. Northeast wind 5 to 7 mph.

    High: 32 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 23. Light northeast wind.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 24. Calm wind becoming northwest around 6 mph.
Friday
Sunny, with a high near 40. North northwest wind around 6 mph becoming calm in the afternoon.
Friday Night
A 40 percent chance of snow, mainly after 3am. Increasing clouds, with a low around 30. Calm wind becoming east southeast 5 to 7 mph after midnight.
Saturday
Snow, possibly mixed with rain before noon, then rain and snow, possibly mixed with sleet between noon and 3pm, then rain after 3pm. High near 42. Southeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday Night
Rain before 3am, then a chance of rain and snow. Low around 29. South wind 10 to 14 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy, with a high near 33. Northwest wind 9 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 20. North wind 5 to 8 mph.
Monday
Mostly cloudy, with a high near 32. Northeast wind 5 to 7 mph.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. Light northeast wind.
Tuesday
A slight chance of snow before noon. Partly sunny, with a high near 34. Northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 21. Light and variable wind.
Wednesday
Partly sunny, with a high near 39. South wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind becoming west around 5 mph after midnight.
Thursday
Mostly cloudy, with a high near 40. West wind 5 to 7 mph becoming north northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
11:21 pm CST Nov 27, 2025
Forecast Valid:
12am CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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