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

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

37°F

3°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.99 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Dec 3:47 pm CST
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: A 20 percent chance of snow showers after 5pm. Cloudy, with a high near 39. South southeast wind around 7 mph.

    High: 39 °F

    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 36. Southeast wind 6 to 9 mph becoming west after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. West wind 6 to 13 mph becoming north northwest in the morning. Winds could gust as high as 18 mph.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 35. Light north northwest wind becoming north 5 to 10 mph in the morning.

    High: 35 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. North wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 16. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 16 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. North wind around 6 mph becoming calm in the evening.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 33. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow showers after 5pm. Cloudy, with a high near 39. South southeast wind around 7 mph.
Tonight
Mostly cloudy, with a steady temperature around 36. Southeast wind 6 to 9 mph becoming west after midnight.
Friday
Partly sunny, with a high near 41. West wind 6 to 13 mph becoming north northwest in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy, with a low around 25. North northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 35. Light north northwest wind becoming north 5 to 10 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 8. North wind 10 to 14 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 16. North northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 7. North wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 33. Light south southeast wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 25. South southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 45. South southwest wind 6 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South southwest wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 52. South southwest wind 10 to 13 mph, with gusts as high as 20 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
3:16 pm CST Dec 11, 2025
Forecast Valid:
3pm CST Dec 11, 2025-6pm CST Dec 17, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation