Lost Lake Weather Forecast

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    • 33

    Wintry Mix

    • 23
    • 27

    Snow

    • 24
    • 30

    Snow

    • 23
    • 29

    Snow

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    Snow

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    • 28

    Chance Snow

Today 18 Dec Western Chelan County

Snow. Rain and freezing rain in the afternoon. Snow may be heavy at Times. Snow accumulation of 4 to 9 Inches Valleys and 7 to 14 Inches in the Mountains. Snow level 3500 feet in the afternoon. Highs in the lower to mid 30s. Gusts up to 20 Mph. Chance of precipitation near 100 percent.

Tonight 18 Dec Western Chelan County

Rain in the evening. Mountain snow. Blowing mountain snow. Mountain snow may be heavy at Times. Mountain snow accumulation of 2 to 4 Inches Valleys and 6 to 14 Inches in the Mountains. Snow level 4000 feet in the evening. Lows in the lower to mid 20s. Windy. Northwest wind 5 to 15 Mph with Gusts up to 45 Mph, except west 20 to 30 Mph with Gusts up to 55 Mph in the Mountains. Chance of precipitation near 100 percent.

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Lost Lake Temperature Statistics

December Temperature

Stampede Pass (41.6 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    36.9 °F

  • Highest 13 December, 2025

    51.1 °F

Climate (2020–Present)

Stampede Pass (41.6 miles)

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  • Average Low 2020–2025

    36.3 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    48.3 °F
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