Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

28°F

-2°C

Humidity 43%
Wind Speed Calm
Barometer 30.27 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 28 Jan 4:47 pm CST
Extended Forecast for

Benton IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. Calm wind.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 27. Calm wind becoming northeast around 6 mph in the morning.

    High: 27 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 11. North northeast wind 3 to 6 mph.

    Low: 11 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Partly sunny, with a high near 21. North wind 6 to 10 mph.

    High: 21 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5. North wind 7 to 9 mph.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 17. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 4. Northwest wind 3 to 7 mph.

    Low: 4 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 26. Light and variable wind becoming west around 6 mph in the morning.

    High: 26 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11. South southwest wind around 5 mph.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 12. Calm wind.
Thursday
Mostly cloudy, with a high near 27. Calm wind becoming northeast around 6 mph in the morning.
Thursday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 11. North northeast wind 3 to 6 mph.
Friday
Partly sunny, with a high near 21. North wind 6 to 10 mph.
Friday Night
Mostly cloudy, with a low around 5. North wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 17. Northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 4. Northwest wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 26. Light and variable wind becoming west around 6 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 11. South southwest wind around 5 mph.
Monday
Partly sunny, with a high near 34. Southwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 20. Light southwest wind.
Tuesday
Partly sunny, with a high near 36. Southwest wind 3 to 6 mph.
Tuesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 26. South wind around 6 mph.
Wednesday
A chance of showers. Mostly cloudy, with a high near 37. South wind around 7 mph becoming west southwest in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
5:06 pm CST Jan 28, 2026
5pm CST Jan 28, 2026-6pm CST Feb 4, 2026
 
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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