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

Ozark IL

  • Overnight

    Overnight: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 26. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 34. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North northwest wind around 6 mph becoming light and variable in the evening.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 36. East wind around 5 mph becoming calm in the afternoon.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: Snow showers. Low around 25. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 25 °F

    Snow Showers

  • Tuesday

    Tuesday: A 20 percent chance of snow showers before noon. Partly sunny, with a high near 32. North northwest wind 3 to 7 mph.

    High: 32 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.

    High: 39 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Calm wind becoming northwest around 6 mph after midnight.

    Low: 23 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 26. West northwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 34. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 22. North northwest wind around 6 mph becoming light and variable in the evening.
Monday
A 30 percent chance of snow showers after noon. Mostly cloudy, with a high near 36. East wind around 5 mph becoming calm in the afternoon.
Monday Night
Snow showers. Low around 25. Calm wind becoming north northwest around 5 mph after midnight. Chance of precipitation is 80%.
Tuesday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 32. North northwest wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 18. Calm wind.
Wednesday
Sunny, with a high near 39. Calm wind becoming south southwest around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming northwest around 6 mph after midnight.
Thursday
Partly sunny, with a high near 33. North northwest wind 3 to 6 mph.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 22. Light and variable wind.
Friday
A chance of showers. Partly sunny, with a high near 40. West southwest wind 3 to 6 mph.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 26. West wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 43. Southwest wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.55°N 88.76°W
Last Update:
9:31 pm CST Nov 29, 2025
Forecast Valid:
1am CST Nov 30, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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