Mill Creek Lake Weather Forecast

    • 45
    • 68

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

    • 53
    • 75

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

Today 10 Jul Eastern Lemhi County

Sunny. Highs in the mid 70s to lower 80s. Northwest Winds to 15 Mph in the afternoon.

Tonight 10 Jul Eastern Lemhi County

Mostly clear. Lows in the upper 40s to mid 50s. Northwest Winds to 15 Mph.

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Mill Creek Lake Temperature Statistics

July Temperature

Salmon, Lemhi County Airport (56.5 miles)

  • Lowest 5 July, 2025

    46.9 °F

  • Average July

    69 °F

  • Highest 8 July, 2025

    93 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (56.5 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    58.2 °F
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