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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Energy IL

  • Today

    Today: Sunny, with a high near 60. North wind 5 to 10 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 61. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 61 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 50. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 71. South southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 71. Southwest wind 5 to 8 mph.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 6 mph after midnight.

    Low: 55 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before noon, then showers likely. Mostly cloudy, with a high near 68. South wind 6 to 11 mph.

    High: 68 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 60. North wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 35. Calm wind.
Monday
Increasing clouds, with a high near 61. Calm wind becoming southeast 5 to 8 mph in the morning.
Monday Night
Showers likely, with thunderstorms also possible after 9pm. Mostly cloudy, with a low around 50. Southeast wind 6 to 9 mph. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Partly sunny, with a high near 71. South southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Southwest wind 5 to 7 mph. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 71. Southwest wind 5 to 8 mph.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 55. Calm wind becoming southeast around 6 mph after midnight.
Thursday
Showers and possibly a thunderstorm before noon, then showers likely. Mostly cloudy, with a high near 68. South wind 6 to 11 mph.
Thursday Night
Showers. Mostly cloudy, with a low around 58. South wind 8 to 10 mph.
Friday
Showers likely. Partly sunny, with a high near 69. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 44. West southwest wind 7 to 11 mph becoming northwest after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 56. Northwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89.03°W
Last Update:
3:16 am CST Nov 16, 2025
Forecast Valid:
4am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
Forecast Discussion
 
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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