Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

39°F

4°C

Humidity 52%
Wind Speed N 12 mph
Barometer 30.65 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Mar 8:45 am CDT
Extended Forecast for

Benton IL

Freeze Warning until March 28, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning until March 28, 09:00am

    NOW until 9:00am Sat

    Freeze Warning

  • Today

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 39. South southeast wind 3 to 5 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South wind around 15 mph, with gusts as high as 26 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 83. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 83 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 51. South southwest wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.

    Low: 51 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 57. Light and variable wind becoming east northeast around 6 mph in the morning.
Tonight
Mostly clear, with a low around 39. South southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 69. South southwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Monday Night
Mostly clear, with a low around 65. South wind around 15 mph, with gusts as high as 26 mph.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83. Breezy, with a south southwest wind 16 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. South southwest wind 14 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 62. North northeast wind around 13 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
Showers likely. Mostly cloudy, with a high near 58. East northeast wind around 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 47. East wind 7 to 9 mph.
Friday
A chance of showers. Partly sunny, with a high near 71. East wind 7 to 10 mph becoming south in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
8:26 am CDT Mar 28, 2026
8am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
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Additional Resources

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Hourly Weather Forecast

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