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

26°F

-3°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.53 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 11 Jan 7:55 pm CST
Extended Forecast for

3 Miles SE Sesser IL

  • Tonight

    Tonight: Clear, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.

    Low: 24 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. South southwest wind 6 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 40. West southwest wind 7 to 10 mph.

    Low: 40 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers. Mostly cloudy, with a high near 45. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 45 °F

    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 29 mph.

    Low: 19 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 33. North northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 33 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 24. Calm wind becoming south southwest 5 to 8 mph after midnight.
Monday
Sunny, with a high near 50. Southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 35. South southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 58. Southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 40. West southwest wind 7 to 10 mph.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 45. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly cloudy, with a low around 19. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 33. North northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 43. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 25. West wind 7 to 10 mph.
Saturday
Partly sunny, with a high near 34. West northwest wind 10 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 18. West northwest wind 6 to 9 mph.
Sunday
Mostly sunny, with a high near 32. West wind 8 to 13 mph, with gusts as high as 18 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:
6:12 pm CST Jan 11, 2026
Forecast Valid:
8pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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