Grouse Lake Weather Forecast

    • 28
    • 36

    Increasing Clouds

    • 24
    • 41

    Partly Sunny

    • 32
    • 41

    Mostly Sunny

    • 24
    • 35

    Snow

    • 23
    • 30

    Mostly Sunny

    • 24
    • 38

    Partly Sunny

    • 28
    • 40

    Partly Sunny

Today 16 Oct Western Lemhi County

Mostly cloudy until late afternoon then clearing. Highs in the 40s.

Tonight 16 Oct Western Lemhi County

Partly cloudy. Lows in the 30s. Southwest Winds to 15 Mph.

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Grouse Lake Temperature Statistics

October Temperature

Salmon, Lemhi County Airport (44.1 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    49.8 °F

  • Highest 10 October, 2025

    78.1 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (44.1 miles)

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  • Average Low 2020–2025

    32.3 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    58.3 °F
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