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.

Overcast

33°F

1°C

Humidity 43%
Wind Speed SE 7 mph
Barometer 30.20 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Mar 12:55 am CDT
Extended Forecast for

2 Miles SSW Goreville IL

  • Overnight

    Overnight: A slight chance of snow showers before 3am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 32. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 10 percent chance of snow showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 60 °F

    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 71. South southwest wind around 6 mph.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Southwest wind 3 to 7 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. West wind around 6 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56. South southwest wind around 7 mph.

    Low: 56 °F

    Clear

Detailed Forecast

Overnight
A slight chance of snow showers before 3am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 32. South southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
A 10 percent chance of snow showers before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 60. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Increasing clouds, with a low around 43. South wind around 6 mph.
Thursday
Partly sunny, with a high near 71. South southwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 48. Light and variable wind.
Friday
Sunny, with a high near 76. Southwest wind 3 to 7 mph.
Friday Night
Partly cloudy, with a low around 55. South southwest wind around 5 mph.
Saturday
Sunny, with a high near 78. West wind around 6 mph.
Saturday Night
Clear, with a low around 56. South southwest wind around 7 mph.
Sunday
Sunny, with a high near 82. South southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 41. North wind 11 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly cloudy, with a high near 56. North northeast wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind 6 to 8 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 60. East wind around 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Goreville IL
 37.54°N 88.99°W
Last Update:
12:21 am CDT Mar 18, 2026
Forecast Valid:
1am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation