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.

Light Rain

61°F

16°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.88 in
Dewpoint 59°F (15°C)
Visibility 7.00 mi
Last update 18 Apr 7:47 am CDT
Extended Forecast for

Energy IL

  • Today

    Today: Showers and thunderstorms likely, mainly before 2pm. Cloudy, with a temperature falling to around 54 by 10am. North northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 63 °F⇓

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 38. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. West northwest wind 5 to 7 mph becoming light and variable after midnight.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Light and variable wind becoming east around 6 mph in the morning.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. Southeast wind around 7 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Southwest wind 6 to 10 mph.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 2pm. Cloudy, with a temperature falling to around 54 by 10am. North northwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Tonight
Mostly clear, with a low around 38. North northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Sunny, with a high near 68. Light southwest wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 40. West northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 68. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Clear, with a low around 50. Southeast wind around 7 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 6 to 10 mph.
Wednesday
Sunny, with a high near 81. Southwest wind 6 to 10 mph.
Wednesday Night
Clear, with a low around 58. South wind around 6 mph.
Thursday
Sunny, with a high near 83. South wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62. South wind around 11 mph, with gusts as high as 21 mph.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. South southwest wind 13 to 15 mph, with gusts as high as 25 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:
5:46 am CDT Apr 18, 2026
Forecast Valid:
8am CDT Apr 18, 2026-6pm CDT Apr 24, 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