Crystal Lake Weather Forecast

    • 37
    • 55

    Rain Showers Likely

    • 41
    • 59

    Slight Chance Thunderstorms

    • 44
    • 63

    Mostly Sunny

    • 44
    • 65

    Slight Chance Thunderstorms

    • 43
    • 64

    Slight Chance Rain Showers

    • 43
    • 66

    Mostly Sunny

Today 22 Jul Gallatin and Madison County Mountains and Centennial Mountains

Partly cloudy early in the morning then becoming mostly cloudy. Slight chance of rain Showers early in the Morning, then chance of Thunderstorms in the afternoon. Highs 65 to 75. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 22 Jul Gallatin and Madison County Mountains and Centennial Mountains

Colder. Mostly cloudy with chance of rain Showers and slight chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 40 to 45. West Winds up to 10 Mph. Chance of precipitation 50 percent.

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Crystal Lake Temperature Statistics

July Temperature

Dillon, Dillon Airport (30.4 miles)

  • Lowest 6 July, 2025

    41.6 °F

  • Average July

    66.3 °F

  • Highest 13 July, 2025

    91.7 °F

Climate (2020–Present)

Dillon, Dillon Airport (30.4 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    55.8 °F
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