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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

39°F

4°C

Humidity 28%
Wind Speed N 6 mph
Barometer 30.29 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Jan 1:45 pm CST
Extended Forecast for

Benton IL

Cold Weather Advisory January 23, 06:00pm until January 25, 06:00pm
Winter Storm Warning January 24, 12:00am until January 25, 06:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 37. Light north wind.

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Light north northeast wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as -2. North wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 19 °F⇓

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Increasing clouds, with a low around 7. Wind chill values as low as -8. Northeast wind 13 to 15 mph, with gusts as high as 21 mph.

    Low: 7 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Snow before 3pm, then snow, possibly mixed with sleet. High near 15. Northeast wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 15 °F

    Snow Likely
    then
    Snow/Sleet

  • Saturday Night

    Saturday Night: Snow, possibly mixed with sleet, becoming all snow after 9pm. Low around 12. Northeast wind 9 to 11 mph. Chance of precipitation is 90%.

    Low: 12 °F

    Snow/Sleet
    then Snow

  • Sunday

    Sunday: Snow, mainly before noon. High near 19. North wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 19 °F

    Snow then
    Chance Snow

  • Sunday Night

    Sunday Night: A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 3. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 15. West northwest wind 6 to 9 mph.

    High: 15 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 37. Light north wind.
Tonight
Partly cloudy, with a low around 14. Light north northeast wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a temperature falling to around 13 by 5pm. Wind chill values as low as -2. North wind 13 to 16 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of snow after midnight. Increasing clouds, with a low around 7. Wind chill values as low as -8. Northeast wind 13 to 15 mph, with gusts as high as 21 mph.
Saturday
Snow before 3pm, then snow, possibly mixed with sleet. High near 15. Northeast wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Snow, possibly mixed with sleet, becoming all snow after 9pm. Low around 12. Northeast wind 9 to 11 mph. Chance of precipitation is 90%.
Sunday
Snow, mainly before noon. High near 19. North wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A slight chance of snow before 8pm, then a slight chance of snow showers between 8pm and midnight. Mostly cloudy, with a low around 3. Northwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 15. West northwest wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 2. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 30. Southwest wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 14. Southwest wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 29. West southwest wind 5 to 7 mph becoming north northwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
1:56 pm CST Jan 22, 2026
Forecast Valid:
2pm CST Jan 22, 2026-6pm CST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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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