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 88%
Wind Speed Vrbl 1 mph
Barometer 30.20 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Oct 11:55 pm CDT
Extended Forecast for

2 Miles SSE Energy IL

  • Overnight

    Overnight: Clear, with a low around 53. North northeast wind around 6 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 76. Northeast wind 6 to 9 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming east southeast around 6 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. Calm wind.

    Low: 50 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the morning.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 55. Southwest wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 53. North northeast wind around 6 mph.
Monday
Sunny, with a high near 76. Northeast wind 6 to 9 mph.
Monday Night
Clear, with a low around 48. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 77. Calm wind becoming east southeast around 6 mph.
Tuesday Night
Clear, with a low around 50. Calm wind.
Wednesday
Sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 55. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 81. Calm wind becoming northeast 5 to 8 mph in the morning.
Thursday Night
Mostly clear, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming east southeast 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 55. Light east southeast wind.
Saturday
Sunny, with a high near 81. Southeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 57. Southeast wind around 6 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 81. Southeast wind 6 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°W
Last Update:
12:00 am CDT Oct 5, 2026
Forecast Valid:
12am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation