National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Overcast

25°F

-4°C

Humidity 86%
Wind Speed NW 9 mph
Barometer 30.12 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 2 Dec 7:45 am CST
Extended Forecast for

4 Miles SSW Carterville IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 34. North northwest wind around 6 mph becoming calm in the afternoon.

    High: 34 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. South wind 3 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 18 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Calm wind becoming south southwest around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 34. North northwest wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 24. Light and variable wind.
Wednesday
Mostly sunny, with a high near 42. South wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind becoming north northwest 5 to 10 mph after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly sunny, with a high near 29. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 19. Calm wind.
Friday
Mostly sunny, with a high near 38. Calm wind becoming south southwest around 5 mph.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 42. Calm wind becoming west around 6 mph.
Saturday Night
Mostly cloudy, with a low around 28. Calm wind becoming east northeast around 5 mph after midnight.
Sunday
Partly sunny, with a high near 38. North wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 23. North wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 39. Light and variable wind becoming west southwest around 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Carterville IL
 37.72°N 89.12°W
Last Update:
5:51 am CST Dec 2, 2025
Forecast Valid:
8am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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Additional Resources

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