Crystal Lake Weather Forecast

    • 3
    • 27

    Snow

    • -2
    • 9

    Cold

    • 17
    • 25

    Mostly Cloudy

    • 16
    • 38

    Chance Rain/Snow

    • 9
    • 23

    Chance Snow

    • -2
    • 18

    Chance Snow

    • -10
    • 5

    Cold

Today 6 Dec Hancock

Snow this afternoon. Snow may be heavy at Times this afternoon. Snow accumulation of 2 to 4 Inches. Near steady temperature in the mid 20s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow near 100 percent.

Tonight 6 Dec Hancock

Snow, mainly this evening. Snow may be heavy at Times early. Additional snow accumulation of 3 to 5 Inches. Total snow accumulation 4 to 5 Inches. Cooler with Lows zero to 5 above zero. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north with Gusts up to 20 Mph after midnight. Chance of snow near 100 percent.

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Crystal Lake Temperature Statistics

December Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 4 December, 2025

    -14.8 °F

  • Average December

    12.8 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Forest City Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    36.8 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    57.4 °F
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