National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

10°F

-12°C

Humidity 71%
Wind Speed Calm
Barometer 30.57 in
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Last update 15 Jan 2:15 am CST
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Mostly clear, with a low around -1. Calm wind.

    Low: -1 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 27. Wind chill values as low as -1. Calm wind.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a temperature falling to near 18 by 8pm, then rising to around 28 during the remainder of the night. Calm wind becoming southwest 5 to 8 mph in the evening.

    Low: 18 °F⇑

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. West wind 6 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. Calm wind becoming south around 5 mph after midnight.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely. Cloudy, with a low around 35. South wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before noon. Partly sunny, with a high near 40. North wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 40 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 21. North wind 9 to 11 mph, with gusts as high as 18 mph.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around -1. Calm wind.
Wednesday
Sunny, with a high near 27. Wind chill values as low as -1. Calm wind.
Wednesday Night
Mostly clear, with a temperature falling to near 18 by 8pm, then rising to around 28 during the remainder of the night. Calm wind becoming southwest 5 to 8 mph in the evening.
Thursday
Mostly sunny, with a high near 39. West wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 24. Calm wind becoming south around 5 mph after midnight.
Friday
Mostly sunny, with a high near 48. South wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
Rain likely. Cloudy, with a low around 35. South wind 8 to 10 mph becoming west northwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Saturday
A slight chance of rain before noon. Partly sunny, with a high near 40. North wind 9 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 21. North wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
Partly sunny, with a high near 25. North northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 8. North northwest wind 8 to 11 mph, with gusts as high as 18 mph.
M.L.King Day
Mostly sunny, with a high near 19. Northwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 6. North northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 21. Light west northwest wind becoming west 6 to 11 mph in the morning.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
1:31 am CST Jan 15, 2025
Forecast Valid:
2am CST Jan 15, 2025-6pm CST Jan 21, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation