Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fair
81°F
27°C
| Humidity | 30% |
| Wind Speed | NW 6 mph |
| Barometer | 30.15 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 4 Oct 2:45 pm CDT |
Extended Forecast for
Carterville IL
This Afternoon
High: 79 °F
Sunny
Tonight
Low: 53 °F
Mostly Clear
Monday
High: 77 °F
Sunny
Monday Night
Low: 47 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 51 °F
Clear
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 54 °F
Clear
Thursday
High: 83 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 79. North wind around 7 mph.
Tonight
Mostly clear, with a low around 53. Calm wind becoming north northeast around 5 mph after midnight.
Monday
Sunny, with a high near 77. Northeast wind 5 to 9 mph.
Monday Night
Clear, with a low around 47. Calm wind.
Tuesday
Sunny, with a high near 78. Light and variable wind.
Tuesday Night
Clear, with a low around 51. Calm wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Clear, with a low around 54. Light and variable wind.
Thursday
Sunny, with a high near 83. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 55. Calm wind.
Saturday
Mostly sunny, with a high near 82. Southeast wind 3 to 8 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Carterville IL
37.76°N 89.09°W
37.76°N 89.09°W
1:26 pm CDT Oct 4, 2026
3pm CDT Oct 4, 2026-6pm CDT Oct 10, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
