Salmon Weather Forecast

    • 36
    • 66

    Mostly Cloudy

    • 38
    • 71

    Partly Sunny

    • 31
    • 66

    Breezy

    • 31
    • 59

    Partly Sunny

    • 31
    • 60

    Mostly Sunny

    • 34
    • 65

    Mostly Sunny

Today 5 Apr Eastern Lemhi County

Partly cloudy. Highs in the mid 50s to lower 60s.

Tonight 5 Apr Eastern Lemhi County

Mostly cloudy. Lows in the 30s to lower 40s.

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Salmon Temperature Statistics

April Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 3 April, 2026

    34 °F

  • Average April

    42.9 °F

  • Highest 1 April, 2026

    57.9 °F

Climate (2021–Present)

Salmon, Lemhi County Airport (3.7 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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