Carterville Weather Forecast

    • 63
    • 79

    Mostly Cloudy

    • 64
    • 81

    Partly Sunny

    • 62
    • 78

    Mostly Cloudy

    • 34
    • 76

    Chance Rain Showers

    • 23
    • 43

    Mostly Cloudy

    • 27
    • 46

    Mostly Sunny

Today 25 Dec Cass

Mostly cloudy this Morning, then becoming partly cloudy. Patchy dense fog this morning. Highs around 80. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Dec Cass

Mostly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Carterville Temperature Statistics

December Temperature

Mount Pleasant, Mount Pleasant Regional Airport (28 miles)

  • Lowest 15 December, 2025

    22.1 °F

  • Average December

    47 °F

  • Highest 20 December, 2025

    76.5 °F

Climate (2020–Present)

Mount Pleasant, Mount Pleasant Regional Airport (28 miles)

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  • Average Low 2020–2025

    54.2 °F

  • Average 2020–2025

    64.8 °F

  • Average High 2020–2025

    76.1 °F
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