Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

75°F

24°C

Humidity 39%
Wind Speed S 12 G 21 mph
Barometer 29.70 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 4 May 6:45 pm CDT
Extended Forecast for

Energy IL

Lake Wind Advisory May 4, 06:48pm until May 4, 08:00pm
Click here for hazard details and duration
...
  •  
    Lake Wind Advisory May 4, 06:48pm until May 4, 08:00pm

    NOW until 8:00pm Mon

    Lake Wind Advisory

  • Tonight

    Low: 59 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm.  High near 67. South southwest wind around 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then showers likely.  Low around 47. North wind around 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers.  Partly sunny, with a high near 61. North northeast wind around 10 mph.

    High: 61 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am.  Mostly cloudy, with a low around 44. North wind 6 to 8 mph.

    Low: 44 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 65. North northwest wind 6 to 9 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light and variable wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 74 °F

    Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 59. South southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday
Showers and possibly a thunderstorm. High near 67. South southwest wind around 11 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 47. North wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 61. North northeast wind around 10 mph.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 44. North wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 65. North northwest wind 6 to 9 mph.
Thursday Night
Mostly clear, with a low around 45. Light and variable wind.
Friday
Sunny, with a high near 74. South southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 52. Southwest wind 5 to 8 mph.
Saturday
Sunny, with a high near 78. Southwest wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 56. South wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 5 to 9 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North wind around 8 mph.
Monday
A chance of showers. Mostly sunny, with a high near 73. North wind 8 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Energy IL
 37.78°N 89.03°W
1:26 pm CDT May 4, 2026
6pm CDT May 4, 2026-6pm CDT May 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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