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
Goreville IL
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

High: 96 °F
Sunny
Thursday Night

Low: 74 °F
Clear
Friday

High: 97 °F
Hot
Friday Night

Low: 75 °F
Mostly Clear
Saturday

High: 96 °F
Sunny
Saturday Night

Low: 72 °F
Mostly Clear
Sunday

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



