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.

Fair

19°F

-7°C

Humidity 71%
Wind Speed S 3 mph
Barometer 30.32 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 24 Feb 1:35 am CST
Extended Forecast for

Energy IL

  • Overnight

    Overnight: Mostly clear, with a low around 20. Calm wind becoming south around 6 mph.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Breezy, with a south southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 49 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Light and variable wind becoming east northeast around 6 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. East southeast wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 7 to 10 mph becoming north in the afternoon.

    High: 52 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. North wind 5 to 7 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Calm wind becoming south around 6 mph.
Tuesday
Partly sunny, with a high near 49. Breezy, with a south southwest wind 7 to 12 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 39. South southwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph.
Wednesday
Mostly cloudy, with a high near 55. Light and variable wind becoming east northeast around 6 mph in the afternoon.
Wednesday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 37. East southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers before noon. Partly sunny, with a high near 52. East northeast wind 7 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 32. North wind 5 to 7 mph becoming calm in the evening.
Friday
Sunny, with a high near 61. Calm wind becoming south southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 40. South wind around 7 mph.
Saturday
Sunny, with a high near 67. South southwest wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 35. South wind 8 to 10 mph becoming north after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 49. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 32. East northeast wind 9 to 11 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 52. East southeast wind 10 to 13 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
12:26 am CST Feb 24, 2026
Forecast Valid:
1am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
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Additional Resources

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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