Williams Lake Weather Forecast

    • 32
    • 38

    Chance Snow

    • 33
    • 41

    Chance Snow

    • 28
    • 40

    Rain/Snow Likely

    • 28
    • 36

    Chance Snow

    • 17
    • 31

    Chance Snow

    • 18
    • 27

    Partly Sunny

Today 22 Dec Eastern Lemhi County

Rain likely and a chance of snow in the Morning, then slight chance of rain and snow in the afternoon. Chance of precipitation 70 percent. Snow level 5500 feet. Snow Accumulations of 1 to 2 Inches. Total snow Accumulations 3 to 8 Inches. Highs in the mid 30s to lower 40s. Southwest Winds to 15 Mph.

Tonight 22 Dec Eastern Lemhi County

Mostly cloudy with a 50 percent chance of rain and snow. Lows in the upper 20s to mid 30s. South Winds to 15 Mph.

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Williams Lake Temperature Statistics

December Temperature

Salmon, Lemhi County Airport (8.1 miles)

  • Lowest 1 December, 2025

    12 °F

  • Average December

    35.1 °F

  • Highest 11 December, 2025

    57.9 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (8.1 miles)

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  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    58.6 °F
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