Lake Lillian Weather Forecast

    • 35
    • 40

    Rain/Snow

    • 35
    • 40

    Rain Likely

    • 35
    • 45

    Rain

    • 36
    • 38

    Rain/Snow

    • 31
    • 40

    Rain/Snow

    • 28
    • 34

    Snow

Today 11 Dec Upper Slopes of the Eastern Washington Cascades Crest

Rain and high mountain snow. High mountain snow accumulation up to 1 inch. Highs in the lower to mid 40s. Windy. West wind 15 to 25 Mph with Gusts to around 50 Mph decreasing to 5 to 15 Mph with Gusts to around 30 Mph in the afternoon. Chance of precipitation near 100 percent.

Tonight 11 Dec Upper Slopes of the Eastern Washington Cascades Crest

Rain and high mountain snow likely in the Evening, then rain likely overnight. No high mountain snow accumulation. Lows in the mid 30s to lower 40s. Chance of precipitation 70 percent.

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Lake Lillian Temperature Statistics

December Temperature

Stampede Pass (8.1 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    33.5 °F

  • Highest 8 December, 2025

    45 °F

Climate (2020–Present)

Stampede Pass (8.1 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.2 °F
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