Cummings Lake Weather Forecast

    • 29
    • 39

    Rain/Snow Likely

    • 31
    • 42

    Rain/Snow Likely

    • 27
    • 42

    Rain Likely

    • 26
    • 38

    Snow Likely

    • 17
    • 33

    Chance Snow

    • 17
    • 30

    Partly Sunny

Today 22 Dec Western Lemhi County

Slight chance of snow. Rain likely in the morning. Chance of precipitation 80 percent. Snow level 5000 feet. Little or no new snow accumulation. Total snow Accumulations 1 to 3 Inches. Highs in the upper 30s to mid 40s.

Tonight 22 Dec Western Lemhi County

Mostly cloudy. Slight chance of snow in the Evening, then a chance of rain and snow after midnight. Chance of precipitation 40 percent. Lows in the 30s.

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  • Temperature Forecast NOAA

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Cummings Lake Temperature Statistics

December Temperature

Salmon, Lemhi County Airport (26.1 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 (26.1 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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