Crystal Lake Weather Forecast

    • 5
    • 25

    Snow Showers Likely

    • 18
    • 22

    Snow

    • 30
    • 40

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 38
    • 56

    Mostly Cloudy

    • 35
    • 59

    Partly Sunny

Today 16 Mar McHenry

Areas of blowing and Drifting snow late in the morning. Patchy blowing and Drifting snow in the afternoon. Snow Showers likely late in the morning. A chance of snow Showers late. Snow accumulation up to half an inch. Blustery. Near steady temperature in the lower 20s. Northwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 70 percent.

Tonight 16 Mar McHenry

Mostly cloudy in the Evening, then clearing. Patchy blowing and Drifting snow early in the evening. A slight chance of snow early in the evening. Blustery with Lows around 5 above. Northwest Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 20 percent. Wind chill Values as low as 10 below.

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Crystal Lake Temperature Statistics

March Temperature

Chicago / Wheeling, Pal-Waukee Airport (22.4 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    41.7 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (22.4 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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