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.

N/A

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

Ozark IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. Northeast wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 36. North northeast wind 3 to 6 mph.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers and sleet, becoming all snow after 1am, then gradually ending. Low around 25. Calm wind becoming north northwest 5 to 8 mph after midnight. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.

    Low: 25 °F

    Snow/Sleet
    then Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind 5 to 8 mph becoming calm in the afternoon.

    High: 33 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21. Light and variable wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. South wind 3 to 8 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind becoming north northwest 5 to 9 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 29. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon.

    High: 29 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow showers after midnight. Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 23. Northeast wind around 6 mph.
Monday
A 30 percent chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 36. North northeast wind 3 to 6 mph.
Monday Night
Snow showers and sleet, becoming all snow after 1am, then gradually ending. Low around 25. Calm wind becoming north northwest 5 to 8 mph after midnight. Chance of precipitation is 80%. New snow and sleet accumulation of less than one inch possible.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 33. North northwest wind 5 to 8 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 21. Light and variable wind.
Wednesday
Mostly sunny, with a high near 39. South wind 3 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming north northwest 5 to 9 mph after midnight.
Thursday
Partly sunny, with a high near 29. North northwest wind 5 to 10 mph becoming light north northeast in the afternoon.
Thursday Night
A chance of snow showers after midnight. Mostly cloudy, with a low around 19. Calm wind.
Friday
Snow showers and freezing rain likely before noon, then a chance of rain showers. Mostly cloudy, with a high near 34. Calm wind becoming south southeast around 5 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 27. Light and variable wind.
Saturday
A slight chance of showers. Mostly cloudy, with a high near 39. West southwest wind 3 to 7 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 28. South southwest wind 3 to 5 mph.
Sunday
A slight chance of showers. Mostly cloudy, with a high near 39. West wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.55°N 88.76°W
Last Update:
10:21 pm CST Nov 30, 2025
Forecast Valid:
11pm CST Nov 30, 2025-6pm CST Dec 7, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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