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

57°F

14°C

Humidity 77%
Wind Speed S 2 mph
Barometer 30.02 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 6 Oct 9:15 pm CDT
Extended Forecast for

3 Miles SE Sesser IL

  • Tonight

    Tonight: Clear, with a low around 55. Calm wind.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. Light southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. North northeast wind 3 to 7 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 55. Northeast wind 3 to 5 mph.

    Low: 55 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 84. East southeast wind 5 to 8 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Southeast wind 3 to 6 mph.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87. South wind 5 to 13 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 60. Southeast wind around 8 mph.

    Low: 60 °F

    Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 55. Calm wind.
Wednesday
Sunny, with a high near 88. Light southwest wind becoming west southwest 5 to 9 mph in the morning.
Wednesday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. North northeast wind 3 to 7 mph.
Thursday Night
Clear, with a low around 55. Northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 84. East southeast wind 5 to 8 mph.
Friday Night
Clear, with a low around 59. Southeast wind 3 to 6 mph.
Saturday
Sunny, with a high near 87. South wind 5 to 13 mph.
Saturday Night
A chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 60. Southeast wind around 8 mph.
Sunday
A chance of showers. Partly sunny, with a high near 77. East wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 59. North northeast wind around 5 mph becoming calm in the evening.
Columbus Day
Mostly sunny, with a high near 81. Calm wind becoming north northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 60. East wind 5 to 7 mph becoming south after midnight.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Sesser IL
 38.07°N 89.01°W
Last Update:
7:20 pm CDT Oct 6, 2026
Forecast Valid:
9pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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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