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.

Fair

36°F

2°C

Humidity 48%
Wind Speed Calm
Barometer 30.45 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 12:45 pm CST
Extended Forecast for

Ozark IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly after 4am. Increasing clouds, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.

    Low: 29 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Snow showers and sleet before noon, then rain and snow showers between noon and 1pm, then rain showers after 1pm. High near 41. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.

    High: 41 °F

    Wintry Mix

  • Saturday Night

    Saturday Night: Rain showers before 3am, then a slight chance of rain and snow showers. Low around 27. South wind 11 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 27 °F

    Showers then
    Chance
    Rain/Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 33. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 33 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. North northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind 3 to 6 mph.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 24. Light north northwest wind.

    Low: 24 °F

    Snow Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of snow showers before noon. Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.

    High: 32 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Calm wind.
Tonight
A 40 percent chance of snow showers, mainly after 4am. Increasing clouds, with a low around 29. Calm wind becoming southeast around 6 mph after midnight.
Saturday
Snow showers and sleet before noon, then rain and snow showers between noon and 1pm, then rain showers after 1pm. High near 41. South wind 6 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow and sleet accumulation of less than a half inch possible.
Saturday Night
Rain showers before 3am, then a slight chance of rain and snow showers. Low around 27. South wind 11 to 15 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday
Mostly cloudy, with a high near 33. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 22. North northwest wind 5 to 7 mph becoming northeast after midnight.
Monday
A 20 percent chance of snow showers after noon. Mostly cloudy, with a high near 34. East northeast wind 3 to 6 mph.
Monday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 24. Light north northwest wind.
Tuesday
A slight chance of snow showers before noon. Partly sunny, with a high near 32. North northwest wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 18. Calm wind.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming south southwest around 6 mph.
Wednesday Night
Mostly cloudy, with a low around 23. Calm wind becoming northwest around 5 mph after midnight.
Thursday
Partly sunny, with a high near 36. Northwest wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.55°N 88.76°W
Last Update:
12:51 pm CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
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Additional Resources

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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