Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Mostly Cloudy
54°F
12°C
| Humidity | 94% |
| Wind Speed | Calm |
| Barometer | 30.17 in |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 4 Oct 6:45 am CDT |
Extended Forecast for
Carterville IL
Today
High: 79 °F
Becoming
SunnyTonight
Low: 51 °F
Mostly Clear
Monday
High: 74 °F
Sunny
Monday Night
Low: 47 °F
Clear
Tuesday
High: 77 °F
Sunny
Tuesday Night
Low: 50 °F
Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 53 °F
Clear
Thursday
High: 82 °F
Sunny
Detailed Forecast
Today
Partly sunny, then gradually becoming sunny, with a high near 79. Calm wind becoming north 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 51. Calm wind becoming north around 5 mph after midnight.
Monday
Sunny, with a high near 74. Northeast wind 5 to 8 mph.
Monday Night
Clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 77. Light and variable wind.
Tuesday Night
Clear, with a low around 50. Calm wind.
Wednesday
Sunny, with a high near 83. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 53. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 53. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 84. East southeast wind 3 to 7 mph.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carterville IL
37.76°N 89.09°W
37.76°N 89.09°W
6:01 am CDT Oct 4, 2026
7am CDT Oct 4, 2026-6pm CDT Oct 10, 2026
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