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

27°F

-3°C

Humidity 80%
Wind Speed N 7 mph
Barometer 30.11 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 2 Dec 2:45 pm CST
Extended Forecast for

Benton IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 31. Light west northwest wind.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Light and variable wind.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. South southwest wind 5 to 10 mph.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 21. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 21 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 30. North wind 5 to 10 mph becoming light north northeast in the afternoon.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 31. Light west northwest wind.
Tonight
Partly cloudy, with a low around 21. Light and variable wind.
Wednesday
Mostly sunny, with a high near 43. South southwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 21. Light and variable wind becoming north 5 to 10 mph after midnight.
Thursday
Partly sunny, with a high near 30. North wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 19. Calm wind.
Friday
Mostly sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 26. Calm wind becoming east around 5 mph after midnight.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 40. East wind 5 to 8 mph becoming north in the afternoon.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 23. North wind 3 to 6 mph.
Monday
Partly sunny, with a high near 37. North wind 5 to 7 mph becoming south southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
3:16 pm CST Dec 2, 2025
Forecast Valid:
3pm CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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