Hazardous Weather Conditions
Current conditions at
Marion - Williamson County Regional Airport (KMWA)
Lat: 37.77°NLon: 89.01°WElev: 486ft.
Fog/Mist
73°F
23°C
| Humidity | 100% |
| Wind Speed | S 5 mph |
| Barometer | 30.01 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 4.00 mi |
| Last update | 14 Oct 10:45 am CDT |
Extended Forecast for
Carterville IL
Today
High: 81 °F
Heavy Rain
Tonight
Low: 67 °F
Chance
Showers then
Chance
T-stormsThursday
High: 86 °F
Chance
ShowersThursday Night
Low: 52 °F
Chance
ShowersFriday
High: 61 °F
Partly Sunny
and BreezyFriday Night
Low: 40 °F
Partly Cloudy
Saturday
High: 62 °F
Sunny
Saturday Night
Low: 38 °F
Clear
Sunday
High: 68 °F
Sunny
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. High near 81. Calm wind becoming west southwest around 6 mph in the afternoon. Chance of precipitation is 80%.
Tonight
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 7am and 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 86. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 52. South southwest wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 61. Breezy, with a north northwest wind 18 to 21 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 40. North wind 7 to 15 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 62. Northeast wind 5 to 7 mph.
Saturday Night
Clear, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Partly cloudy, with a low around 45. Light south southeast wind.
Monday
Mostly sunny, with a high near 70. South wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 49. Calm wind.
Tuesday
Mostly sunny, with a high near 76. Calm wind becoming south southeast 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
11:01 am CDT Oct 14, 2026
11am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
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