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

Goreville IL

Extreme Heat Warning September 3, 03:55am until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 03:55am until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Overnight

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Thursday Night

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

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Light southwest wind.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 93 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 96. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 97. Light southwest wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. East northeast wind 3 to 6 mph.
Labor Day
Sunny, with a high near 92. East wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 70. Light east wind.
Tuesday
Sunny, with a high near 92. South wind 3 to 7 mph.
Tuesday Night
Mostly clear, with a low around 73. South southeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 93. Southwest wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Goreville IL
 37.56°N 88.99°W
2:36 am CDT Sep 3, 2026
3am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
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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