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

43°F

6°C

Humidity 81%
Wind Speed SW 13 G 24 mph
Barometer 29.66 in
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 10 Dec 7:45 am CST
Extended Forecast for

Benton IL

  • Today

    Today: Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.

    High: 45 °F⇓

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. Northwest wind around 6 mph becoming south in the afternoon.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 35. South wind 5 to 8 mph.

    Low: 35 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 46. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 46 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22. North northwest wind 5 to 9 mph.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 37. North wind around 6 mph.

    High: 37 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 11. North wind 5 to 9 mph.

    Low: 11 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 25. North wind 7 to 10 mph.

    High: 25 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a temperature falling to around 37 by 5pm. Breezy, with a northwest wind 13 to 21 mph, with gusts as high as 38 mph.
Tonight
Mostly cloudy, with a low around 25. Northwest wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Partly sunny, with a high near 39. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow showers before midnight. Mostly cloudy, with a low around 35. South wind 5 to 8 mph.
Friday
Partly sunny, with a high near 46. Southwest wind 7 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 22. North northwest wind 5 to 9 mph.
Saturday
Mostly cloudy, with a high near 37. North wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 11. North wind 5 to 9 mph.
Sunday
Sunny, with a high near 25. North wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 13. North northeast wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 37. Light east southeast wind becoming south 5 to 9 mph in the morning.
Monday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 27. South southwest wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 45. South wind 5 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
5:41 am CST Dec 10, 2025
Forecast Valid:
8am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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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