Crystal Lake Weather Forecast

    • -14
    • -9

    Cold

    • -10
    • 2

    Cold

    • -14
    • 3

    Cold

    • 5
    • 13

    Mostly Sunny

    • -3
    • 12

    Partly Sunny

    • -6
    • 12

    Partly Sunny

    • -4
    • 8

    Cold

Today 23 Jan Hancock

Mostly sunny. Much Colder with Highs around 8 below. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 36 below.

Tonight 23 Jan Hancock

Mostly cloudy and cold. Near steady temperature around 10 below. North Winds around 5 Mph, becoming northeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

January Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 20 January, 2026

    -9.4 °F

  • Average January

    22 °F

  • Highest 13 January, 2026

    46.4 °F

Climate (2021–Present)

Forest City Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    47.2 °F

  • Average High 2021–2026

    57.2 °F
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