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.

Fair

61°F

16°C

Humidity 83%
Wind Speed Calm
Barometer 30.06 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 13 Oct 8:47 am CDT
Extended Forecast for

Energy IL

  • Columbus Day

    Columbus Day: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Light east wind.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54. East northeast wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78. Light east wind becoming east southeast 5 to 9 mph in the morning.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East southeast wind 5 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. South wind 6 to 11 mph.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 79. Light and variable wind.
Tonight
Mostly clear, with a low around 55. Light east wind.
Tuesday
Sunny, with a high near 80. Calm wind becoming east northeast 5 to 7 mph in the afternoon.
Tuesday Night
Clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. East northeast wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Light east wind becoming east southeast 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 55. East southeast wind 5 to 7 mph.
Friday
Mostly sunny, with a high near 81. South wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 61. South wind 6 to 9 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 9 to 14 mph, with gusts as high as 18 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 53. South southwest wind 6 to 9 mph becoming west after midnight.
Sunday
A chance of showers. Mostly sunny, with a high near 69. West northwest wind 8 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
9:17 am CDT Oct 13, 2025
Forecast Valid:
9am CDT Oct 13, 2025-6pm CDT Oct 19, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation