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.

Fair

43°F

6°C

Humidity 64%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 25 Mar 4:55 am CDT
Extended Forecast for

Ozark IL

  • Today

    Today: Mostly sunny, with a high near 74. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind 8 to 13 mph, with gusts as high as 23 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 45. South southwest wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 45 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. East wind around 6 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Light southeast wind.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65. South wind 5 to 8 mph.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 74. Light south southeast wind becoming south southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 62. South wind 8 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 84. South southwest wind 13 to 16 mph, with gusts as high as 29 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 45. South southwest wind 13 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 34. North northeast wind 6 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 58. East wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 40. Light southeast wind.
Sunday
Partly sunny, with a high near 65. South wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 54. South wind 6 to 9 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 76. South southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 62. South wind around 10 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South southwest wind 10 to 13 mph, with gusts as high as 23 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:
1:26 am CDT Mar 25, 2026
Forecast Valid:
5am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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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