Salmon Weather Forecast

    • 9
    • 30

    Decreasing Clouds

    • 9
    • 32

    Partly Sunny

    • 12
    • 32

    Partly Sunny

    • 10
    • 33

    Mostly Sunny

    • 13
    • 33

    Partly Sunny

    • 20
    • 36

    Mostly Cloudy

Today 20 Jan Eastern Lemhi County

Mostly cloudy in the morning then clearing. Highs in the upper 20s to mid 30s.

Tonight 20 Jan Eastern Lemhi County

Mostly clear. Lows 7 to 14.

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Salmon Temperature Statistics

January Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 11 January, 2026

    14 °F

  • Average January

    27.9 °F

  • Highest 4 January, 2026

    48 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (3.7 miles)

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  • Average Low 2021–2026

    32.7 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    58.7 °F
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