Grouse Lake Weather Forecast

    • 34
    • 48

    Mostly Sunny

    • 38
    • 54

    Sunny

    • 38
    • 58

    Rain Likely

    • 32
    • 42

    Rain Showers Likely

    • 29
    • 39

    Slight Chance Snow

    • 35
    • 52

    Partly Sunny

    • 38
    • 56

    Partly Sunny

Today 1 May Western Lemhi County

Mostly sunny. Highs in the 60s.

Tonight 1 May Western Lemhi County

Mostly clear. Lows in the upper 30s to mid 40s.

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Grouse Lake Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (44.1 miles)

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  • Average May

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Climate (2020–Present)

Salmon, Lemhi County Airport (44.1 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    58 °F
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