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

27°F

-3°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 30.24 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 2 Feb 7:45 am CST
Extended Forecast for

Ozark IL

  • Today

    Today: Mostly sunny, with a high near 38. Southwest wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Light south wind.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of freezing rain between 8am and 9am, then a chance of rain. Cloudy, with a high near 39. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%.

    High: 39 °F

    Chance
    Rain/Freezing
    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. North wind around 7 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. North wind around 6 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Light north northwest wind.

    Low: 15 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Southwest wind 6 to 8 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 46. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 38. Southwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 27. Light south wind.
Tuesday
A slight chance of freezing rain between 8am and 9am, then a chance of rain. Cloudy, with a high near 39. Calm wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 21. North wind around 7 mph.
Wednesday
Partly sunny, with a high near 31. North wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 15. Light north northwest wind.
Thursday
Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 28. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 46. West southwest wind 7 to 9 mph becoming north northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 22. North northwest wind around 6 mph.
Saturday
Sunny, with a high near 37. North northeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 22. Light and variable wind becoming southeast around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 42. South wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.53°N 88.79°W
Last Update:
6:26 am CST Feb 2, 2026
Forecast Valid:
8am CST Feb 2, 2026-6pm CST Feb 8, 2026
 
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