National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Mostly Cloudy

45°F

7°C

Humidity 71%
Wind Speed N 12 mph
Barometer 30.01 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Nov 5:47 pm CST
Extended Forecast for

Energy IL

  • Tonight

    Tonight: Mostly clear, with a low around 32. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 48. North northwest wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 27 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 50. North northwest wind around 5 mph becoming calm in the afternoon.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 27. Calm wind.

    Low: 27 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Light and variable wind.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Calm wind becoming east around 5 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 30. Calm wind.

    Low: 30 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 32. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 48. North northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 50. North northwest wind around 5 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 27. Calm wind.
Sunday
Sunny, with a high near 53. Light and variable wind.
Sunday Night
Mostly clear, with a low around 30. Calm wind.
Monday
Sunny, with a high near 56. Calm wind becoming east around 5 mph.
Monday Night
Clear, with a low around 30. Calm wind.
Tuesday
Sunny, with a high near 58. Calm wind becoming east southeast around 5 mph.
Tuesday Night
Clear, with a low around 31. Calm wind.
Wednesday
Sunny, with a high near 63. Calm wind becoming south around 6 mph.
Wednesday Night
Partly cloudy, with a low around 38. Calm wind.
Thursday
Mostly sunny, with a high near 66. Calm wind becoming south 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.78°N 89.03°W
Last Update:
3:20 pm CST Nov 12, 2026
Forecast Valid:
6pm CST Nov 12, 2026-6pm CST Nov 19, 2026
 
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Additional Resources

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