Casey Municipal Airport Weather Forecast

    • -2
    • 27

    Snow

    • -4
    • 7

    Cold

    • 17
    • 27

    Mostly Sunny

    • 31
    • 37

    Partly Sunny

    • 36
    • 43

    Chance Rain

    • 21
    • 53

    Chance Rain

    • 28
    • 36

    Mostly Cloudy

Today 13 Dec Clark

Snow. Total snow accumulation of 3 to 5 Inches. Near steady temperature around 14. Temperature falling to around 14 late. North Winds around 10 Mph with Gusts up to 20 Mph. Chance of snow near 100 percent. Wind chill Values as low as 1 below.

Tonight 13 Dec Clark

Mostly cloudy with a chance of snow this Evening, then partly cloudy after midnight. Little or no snow accumulation. Much Colder with Lows around 2 below. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 30 percent. Wind chill Values as low as 19 below.

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Casey Municipal Airport Temperature Statistics

December Temperature

Mattoon / Charleston, Coles County Memorial Airport (18.6 miles)

  • Lowest 5 December, 2025

    3.9 °F

  • Average December

    26.1 °F

  • Highest 9 December, 2025

    43 °F

Climate (2020–Present)

Mattoon / Charleston, Coles County Memorial Airport (18.6 miles)

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  • Average Low 2020–2025

    45.8 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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