Salmon Weather Forecast

    • 37
    • 68

    Decreasing Clouds

    • 38
    • 69

    Rain

    • 25
    • 49

    Rain

    • 25
    • 51

    Partly Sunny

    • 26
    • 56

    Partly Sunny

    • 25
    • 56

    Chance Rain

    • 23
    • 52

    Slight Chance Rain/Snow

Today 21 Oct Eastern Lemhi County

Partly cloudy. A 20 percent chance of snow in the morning. Highs in the 40s to lower 50s.

Tonight 21 Oct Eastern Lemhi County

Partly cloudy. Lows in the mid 30s to lower 40s. Southeast Winds to 15 Mph in the evening.

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Salmon Temperature Statistics

October Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 16 October, 2026

    25 °F

  • Average October

    48.6 °F

  • Highest 9 October, 2026

    82.9 °F

Climate (2021–2026)

Salmon, Lemhi County Airport (3.7 miles)

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  • Average Low 2021–2026

    33.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    59.2 °F
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