Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Fair

65°F

18°C

Humidity 98%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 May 1:15 am CDT
Extended Forecast for

Ozark IL

  • Overnight

    Overnight: A 20 percent chance of showers after 4am.  Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm.  High near 77. East northeast wind 3 to 6 mph.  Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 64. Light and variable wind.  Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 60%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Partly cloudy, with a low around 64. Calm wind.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 82. Calm wind becoming east northeast 5 to 7 mph in the morning.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am.  Mostly cloudy, with a low around 64. East northeast wind 3 to 5 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 74. East northeast wind 5 to 7 mph.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am.  Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph.

    Low: 62 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 63. Calm wind.
Tuesday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 3pm, then a chance of showers and thunderstorms after 3pm. High near 77. East northeast wind 3 to 6 mph. Chance of precipitation is 80%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 40%.
Wednesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Calm wind. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Calm wind becoming east northeast 5 to 7 mph in the morning.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64. East northeast wind 3 to 5 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 74. East northeast wind 5 to 7 mph.
Friday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 62. East northeast wind 3 to 6 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 76. Northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 59. Northeast wind 5 to 8 mph.
Sunday
Mostly sunny, with a high near 77. Northeast wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 57. Northeast wind 3 to 7 mph.
Monday
Sunny, with a high near 78. Northeast wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ozark IL
 37.55°N 88.76°W
10:56 pm CDT May 25, 2026
1am CDT May 26, 2026-6pm CDT Jun 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

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