Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Partly Cloudy
57°F
14°C
| Humidity | 44% |
| Wind Speed | N 12 G 18 mph |
| Barometer | 30.53 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 12:45 pm CDT |
Extended Forecast for
Carterville IL
Frost Advisory October 18, 01:00am until October 18, 08:00am
This Afternoon
High: 61 °F
Sunny
Tonight
Low: 34 °F
Clear then
Areas FrostSunday
High: 69 °F
Areas Frost
then SunnySunday Night
Low: 38 °F
Clear
Monday
High: 73 °F
Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 61. North northeast wind around 9 mph.
Tonight
Areas of frost after 5am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 69. Calm wind becoming south southeast around 5 mph.
Sunday Night
Clear, with a low around 38. Calm wind.
Monday
Sunny, with a high near 73. Calm wind.
Monday Night
Mostly clear, with a low around 41. Calm wind.
Tuesday
Sunny, with a high near 75. Light north wind.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Sunny, with a high near 76. Calm wind.
Wednesday Night
Clear, with a low around 45. Calm wind.
Thursday
Sunny, with a high near 78. Light north wind.
Thursday Night
Clear, with a low around 47. Calm wind.
Friday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
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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 17, 2026
1pm CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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