Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

50°F

10°C

Humidity 54%
Wind Speed N 17 G 28 mph
Barometer 30.41 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Mar 3:45 pm CDT
Extended Forecast for

Benton IL

Freeze Warning March 28, 01:00am until March 28, 09:00am
Click here for hazard details and duration
Freeze Warning
  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 50. North wind around 15 mph, with gusts as high as 23 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Southeast wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Sunday

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

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph.

    High: 81 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 50. North wind around 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 32. North wind 6 to 14 mph, with gusts as high as 22 mph.
Saturday
Sunny, with a high near 57. North northeast wind around 6 mph becoming east southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 38. Southeast wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 69. South 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 18 mph.
Monday
Mostly sunny, with a high near 79. South southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 81. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 53. South southwest wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.
Wednesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 64. Northwest wind around 14 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph.
Wednesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 46. East northeast wind around 11 mph, with gusts as high as 21 mph.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 59. East wind 10 to 13 mph, with gusts as high as 21 mph.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Benton IL
 38°N 88.93°W
2:06 pm CDT Mar 27, 2026
3pm CDT Mar 27, 2026-6pm CDT Apr 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database