Black Lake Weather Forecast

    • 27
    • 39

    Decreasing Clouds

    • 27
    • 40

    Mostly Sunny

    • 26
    • 41

    Partly Sunny

    • 34
    • 39

    Rain/Snow

    • 24
    • 37

    Blizzard

    • 18
    • 28

    Snow Likely

Today 12 Dec Southern Clearwater Mountains

Mostly cloudy. A 40 percent chance of Areas of rain in the morning. Patchy fog in the morning. Highs in the 40s to lower 50s.

Tonight 12 Dec Southern Clearwater Mountains

Partly cloudy with a 20 percent chance of rain. Lows in the 20s to upper 30s.

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Black Lake Temperature Statistics

December Temperature

Salmon, Lemhi County Airport (47.8 miles)

  • Lowest 1 December, 2025

    12 °F

  • Average December

    32.3 °F

  • Highest 10 December, 2025

    53.1 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (47.8 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    58.5 °F
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