Mormon Mountain Weather Forecast

    • 25
    • 43

    Decreasing Clouds

    • 35
    • 44

    Rain/Snow Likely

    • 25
    • 36

    Snow Showers

    • 24
    • 32

    Mostly Sunny

    • 25
    • 40

    Partly Sunny

    • 29
    • 40

    Partly Sunny

Today 17 Oct West Central Mountains

Mostly sunny. Highs 47 to 60.

Tonight 17 Oct West Central Mountains

Decreasing Clouds. Areas of fog after midnight. Lows 25 to 35.

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Mormon Mountain Temperature Statistics

October Temperature

Salmon, Lemhi County Airport (49.1 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 (49.1 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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