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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles W Thompsonville IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 25. Southwest wind around 6 mph.

    Low: 25 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 50 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. West wind 6 to 10 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 63 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47. South wind 3 to 6 mph.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 72. South wind 6 to 11 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. South wind 7 to 9 mph.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 25. Southwest wind around 6 mph.
Veterans Day
Partly sunny, with a high near 50. Breezy, with a south southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly clear, with a low around 38. Southwest wind 7 to 17 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 64. West wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 36. Light west wind.
Thursday
Partly sunny, with a high near 63. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 47. South wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 72. South wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 56. South wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 75. South southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
A chance of showers. Partly cloudy, with a low around 55. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday
A chance of showers. Mostly sunny, with a high near 71. West wind 9 to 13 mph, with gusts as high as 18 mph.
Sunday Night
A chance of showers. Partly cloudy, with a low around 47. West wind 6 to 8 mph.
Monday
A chance of showers. Partly sunny, with a high near 59. South wind 8 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Thompsonville IL
 37.91°N 88.8°W
Last Update:
3:16 am CST Nov 11, 2025
Forecast Valid:
3am CST Nov 11, 2025-6pm CST Nov 17, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation