Salmon Weather Forecast

    • 41
    • 80

    Partly Sunny

    • 43
    • 81

    Partly Sunny

    • 37
    • 58

    Rain Showers

    • 27
    • 52

    Chance Rain

    • 28
    • 52

    Slight Chance Rain

    • 27
    • 53

    Partly Sunny

Today 20 Apr Eastern Lemhi County

Mostly sunny. Highs in the upper 60s to mid 70s. South Winds to 15 Mph in the afternoon.

Tonight 20 Apr Eastern Lemhi County

Partly cloudy. Lows in the upper 30s to mid 40s. South Winds to 15 Mph.

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Salmon Temperature Statistics

April Temperature

Salmon, Lemhi County Airport (3.7 miles)

  • Lowest 4 April, 2026

    24.1 °F

  • Average April

    45 °F

  • Highest 6 April, 2026

    70 °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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