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

21°F

-6°C

Humidity 58%
Wind Speed NW 18 G 26 mph
Barometer 30.32 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 29 Dec 9:45 am CST
Extended Forecast for

Benton IL

  • Today

    Today: Mostly sunny, with a high near 30. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 30 °F

    Partly Sunny
    and Blustery
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Northwest wind around 8 mph becoming southwest in the afternoon.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Southwest wind around 6 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 40. North wind 3 to 7 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 41. Calm wind becoming east around 6 mph in the morning.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 30. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 17. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 36. Northwest wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 27. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind becoming north around 5 mph after midnight.
New Year's Day
Mostly sunny, with a high near 40. North wind 3 to 7 mph.
Thursday Night
Mostly cloudy, with a low around 24. Calm wind.
Friday
Mostly cloudy, with a high near 41. Calm wind becoming east around 6 mph in the morning.
Friday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 28. Light northeast wind.
Saturday
Mostly sunny, with a high near 42. North wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 24. Light and variable wind.
Sunday
Mostly sunny, with a high near 44. South wind 3 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:
8:07 am CST Dec 29, 2025
Forecast Valid:
10am CST Dec 29, 2025-6pm CST Jan 4, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation