Current conditions at

Marion - Williamson County Regional Airport (KMWA)

Lat: 37.77°NLon: 89.01°WElev: 486ft.

Partly Cloudy

88°F

31°C

Humidity 35%
Wind Speed NE 6 mph
Barometer 30.11 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 29 Sep 3:45 pm CDT
Extended Forecast for

Carterville IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. East northeast wind around 8 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 60. Light and variable wind.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind becoming northeast 5 to 8 mph in the morning.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Light northeast wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. Light east wind.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 88. East northeast wind around 8 mph.
Tonight
Clear, with a low around 60. Light and variable wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming northeast 5 to 8 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 57. Light northeast wind.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming east 5 to 7 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 62. Light east wind.
Thursday
Partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 61. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.
Friday Night
Clear, with a low around 60. Light south wind.
Saturday
Sunny, with a high near 84. South wind 3 to 7 mph.
Saturday Night
Mostly clear, with a low around 59. South southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. South wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Carterville IL
 37.76°N 89.09°W
2:16 pm CDT Sep 29, 2025
4pm CDT Sep 29, 2025-6pm CDT Oct 5, 2025
 
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Additional Resources

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Hourly Weather Forecast

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