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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

66°F

19°C

Humidity 91%
Wind Speed S 13 mph
Barometer 29.81 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Dec 1:55 am CST
Extended Forecast for

Benton IL

  • Overnight

    Overnight: Patchy fog before 4am. Otherwise, cloudy, with a steady temperature around 66. South southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Patchy Fog

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm, mainly after 4pm. Patchy fog between 9am and 10am. Otherwise, cloudy, with a high near 70. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%.

    High: 70 °F

    Breezy.
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Blustery, with a west northwest wind 21 to 25 mph, with gusts as high as 41 mph.

    Low: 20 °F

    Blustery.
    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 30. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph.

    High: 30 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34. Northwest wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Southwest wind 3 to 6 mph.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. West wind 6 to 10 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. West wind around 6 mph.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog before 4am. Otherwise, cloudy, with a steady temperature around 66. South southwest wind around 11 mph, with gusts as high as 23 mph.
Sunday
Showers likely and possibly a thunderstorm, mainly after 4pm. Patchy fog between 9am and 10am. Otherwise, cloudy, with a high near 70. Breezy, with a south southwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Blustery, with a west northwest wind 21 to 25 mph, with gusts as high as 41 mph.
Monday
Mostly sunny, with a high near 30. Blustery, with a west northwest wind 16 to 21 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 34. Northwest wind 5 to 9 mph becoming west southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 26. Southwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 44. West wind 6 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 27. West wind around 6 mph.
New Year's Day
Mostly sunny, with a high near 44. Northwest wind 5 to 9 mph.
Thursday Night
Partly cloudy, with a low around 24. Light north wind.
Friday
Partly sunny, with a high near 44. Light and variable wind becoming south southwest 5 to 7 mph in the morning.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 34. South wind around 6 mph.
Saturday
Mostly cloudy, with a high near 52. South southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
Last Update:
1:11 am CST Dec 28, 2025
Forecast Valid:
2am CST Dec 28, 2025-6pm CST Jan 3, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation