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

55°F

13°C

Humidity 31%
Wind Speed S 14 mph
Barometer 30.19 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 13 Feb 12:45 pm CST
Extended Forecast for

Energy IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 57. South wind 6 to 11 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Light south wind.

    Low: 37 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers, mainly after noon. High near 54. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 90%.

    High: 54 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 44. East southeast wind 6 to 9 mph. Chance of precipitation is 100%.

    Low: 44 °F

    Showers

  • Sunday

    Sunday: A 50 percent chance of showers before noon. Mostly cloudy, with a high near 55. North northeast wind 7 to 11 mph.

    High: 55 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. South wind 3 to 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. South wind 6 to 15 mph, with gusts as high as 21 mph.

    High: 65 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 57. South wind 6 to 11 mph.
Tonight
Increasing clouds, with a low around 37. Light south wind.
Saturday
Showers, mainly after noon. High near 54. Calm wind becoming east 5 to 8 mph in the afternoon. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 44. East southeast wind 6 to 9 mph. Chance of precipitation is 100%.
Sunday
A 50 percent chance of showers before noon. Mostly cloudy, with a high near 55. North northeast wind 7 to 11 mph.
Sunday Night
Partly cloudy, with a low around 37. North northeast wind 5 to 7 mph becoming calm in the evening.
Washington's Birthday
Mostly sunny, with a high near 62. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 44. South wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 65. South wind 6 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 54. South southwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly cloudy, with a high near 72. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 50. South southwest wind 7 to 9 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 69. South southwest wind 7 to 15 mph, with gusts as high as 23 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.76°N 89°W
Last Update:
12:21 pm CST Feb 13, 2026
Forecast Valid:
1pm CST Feb 13, 2026-6pm CST Feb 19, 2026
 
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