Grouse Creek Lake Weather Forecast

    • 39
    • 56

    Increasing Clouds

    • 34
    • 57

    Breezy

    • 28
    • 37

    Blizzard

    • 21
    • 35

    Chance Snow

    • 17
    • 30

    Chance Snow

    • 19
    • 32

    Partly Sunny

    • 24
    • 36

    Partly Sunny

Today 20 Apr Lost River Range

Mostly sunny. Highs 61 to 71.

Tonight 20 Apr Lost River Range

Partly cloudy. Lows 40 to 47.

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Grouse Creek Lake Temperature Statistics

April Temperature

Salmon, Lemhi County Airport (49.1 miles)

  • Lowest 18 April, 2026

    19.9 °F

  • Average April

    44.7 °F

  • Highest 6 April, 2026

    70 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (49.1 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    59.1 °F
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