Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

30°F

-1°C

Humidity 86%
Wind Speed S 7 mph
Barometer 30.15 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 3 Dec 4:45 pm CST
Extended Forecast for

Benton IL

  • Tonight

    Tonight: A slight chance of snow showers and freezing rain before 1am, then a slight chance of snow showers between 1am and 5am.  Patchy fog between 9pm and 10pm.  Otherwise, cloudy, with a low around 21. Calm wind becoming north 5 to 9 mph after midnight.  Chance of precipitation is 20%.

    Low: 21 °F

    Slight Chance
    Wintry Mix
    and Patchy
    Fog

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 30. North northeast wind 5 to 9 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 45. Calm wind becoming west southwest around 6 mph.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of freezing rain after midnight.  Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Freezing Rain

  • Sunday

    Sunday: A slight chance of showers before noon.  Partly sunny, with a high near 39. North northeast wind 6 to 9 mph.

    High: 39 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. North wind 3 to 7 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers and freezing rain before 1am, then a slight chance of snow showers between 1am and 5am. Patchy fog between 9pm and 10pm. Otherwise, cloudy, with a low around 21. Calm wind becoming north 5 to 9 mph after midnight. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 30. North northeast wind 5 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 20. Calm wind.
Friday
Mostly sunny, with a high near 40. Calm wind becoming south southwest around 6 mph.
Friday Night
Partly cloudy, with a low around 27. Calm wind.
Saturday
Partly sunny, with a high near 45. Calm wind becoming west southwest around 6 mph.
Saturday Night
A slight chance of freezing rain after midnight. Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of showers before noon. Partly sunny, with a high near 39. North northeast wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 21. North wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 36. Light and variable wind becoming north around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 25. South southwest wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 45. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South southwest wind 7 to 10 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 51. South southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
4:41 pm CST Dec 3, 2025
5pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database