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.

Fog

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 70°F (21°C)
Visibility 0.50 mi
Last update 14 Oct 10:15 pm CDT
Extended Forecast for

Ozark IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a steady temperature around 70. Calm wind.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Increasing clouds, with a low around 54. South southwest wind 7 to 15 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 7am. Partly sunny, with a high near 59. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 59 °F

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 61. North northeast wind 7 to 10 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a steady temperature around 70. Calm wind.
Thursday
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am. Increasing clouds, with a low around 54. South southwest wind 7 to 15 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers before 7am. Partly sunny, with a high near 59. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, with a low around 43. North northwest wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 61. North northeast wind 7 to 10 mph.
Saturday Night
Clear, with a low around 37. Calm wind.
Sunday
Sunny, with a high near 67. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 71. Calm wind becoming south around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 47. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.53°N 88.76°W
Last Update:
10:16 pm CDT Oct 14, 2026
Forecast Valid:
10pm CDT Oct 14, 2026-6pm CDT Oct 21, 2026
 
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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