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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles SW Ozark IL

Extreme Heat Warning until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 98. Light and variable wind.

    High: 98 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Light and variable wind.

    High: 97 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 75. Calm wind.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 98. Light and variable wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Labor Day
Sunny, with a high near 92. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68. Light east wind.
Tuesday
Sunny, with a high near 91. Light and variable wind becoming south southwest around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ozark IL
 37.51°N 88.79°W
Last Update:
9:11 pm CDT Sep 1, 2026
Forecast Valid:
10pm CDT Sep 1, 2026-6pm CDT Sep 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