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Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast and Breezy

55°F

13°C

Humidity 82%
Wind Speed S 23 G 33 mph
Barometer 29.72 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Feb 12:35 am CST
Extended Forecast for

Benton IL

  • Overnight

    Overnight: A slight chance of showers between 1am and 4am. Cloudy, with a low around 55. South southwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 73 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Partly cloudy, with a low around 55. South wind around 6 mph.

    Low: 55 °F

    Mostly Clear
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after noon. Partly sunny, with a high near 69. South southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before midnight. Mostly clear, with a low around 42. South southwest wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53. West wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Light and variable wind becoming north around 5 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain showers before noon, then a chance of rain and snow showers. Mostly sunny, with a high near 47. North northeast wind 6 to 9 mph.

    High: 47 °F

    Slight Chance
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 28. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Overnight
A slight chance of showers between 1am and 4am. Cloudy, with a low around 55. South southwest wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 73. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Partly cloudy, with a low around 55. South wind around 6 mph.
Thursday
Showers likely, mainly after noon. Partly sunny, with a high near 69. South southwest wind 6 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
A 20 percent chance of showers before midnight. Mostly clear, with a low around 42. South southwest wind around 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 53. West wind 5 to 13 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 34. Light and variable wind becoming north around 5 mph after midnight.
Saturday
A slight chance of rain showers before noon, then a chance of rain and snow showers. Mostly sunny, with a high near 47. North northeast wind 6 to 9 mph.
Saturday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Partly cloudy, with a low around 28. North northwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
A slight chance of rain and snow showers before noon. Mostly sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 21. North northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Monday
Sunny, with a high near 39. North northwest wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 20. Calm wind.
Tuesday
Mostly sunny, with a high near 46. Light south southeast wind becoming south 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
10:36 pm CST Feb 17, 2026
Forecast Valid:
12am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation