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

77°F

25°C

Humidity 34%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 4:47 pm CDT
Extended Forecast for

2 Miles SSE Energy IL

  • Tonight

    Tonight: Clear, with a low around 52. Calm wind.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Light north northeast wind.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. Southeast wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. Light east southeast wind.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. East southeast wind around 7 mph.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 52. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 58. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 85. Calm wind becoming north northeast 5 to 7 mph in the morning.
Thursday Night
Clear, with a low around 53. Light north northeast wind.
Friday
Sunny, with a high near 84. Southeast wind 3 to 7 mph.
Friday Night
Clear, with a low around 58. Light east southeast wind.
Saturday
Mostly sunny, with a high near 86. South wind 5 to 10 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 59. East southeast wind around 7 mph.
Sunday
A chance of showers. Partly sunny, with a high near 76. East southeast wind 7 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 57. Light west northwest wind.
Columbus Day
Mostly sunny, with a high near 81. Calm wind becoming north northwest 5 to 8 mph in the morning.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 58. Southeast wind 3 to 5 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. South southwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Energy IL
 37.76°N 89.03°W
Last Update:
1:16 pm CDT Oct 6, 2026
Forecast Valid:
5pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation