Lost Trail Powder Mountain Weather Forecast

    • 57
    • 93

    Increasing Clouds

    • 60
    • 90

    Mostly Cloudy

    • 63
    • 90

    Chance Thunderstorms

    • 60
    • 87

    Rain Showers Likely

    • 59
    • 83

    Chance Thunderstorms

    • 59
    • 86

    Chance Thunderstorms

Today 11 Jul Bitterroot/Sapphire Mountains

Sunny. Highs in the upper 80s to mid 90s. Southwest Winds to 15 Mph. Gusts up to 35 Mph in the afternoon.

Tonight 11 Jul Bitterroot/Sapphire Mountains

Partly cloudy. Lows in the 50s. South Winds to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Lost Trail Powder Mountain Temperature Statistics

July Temperature

Salmon, Lemhi County Airport (54.7 miles)

  • Lowest 2 July, 2026

    44.1 °F

  • Average July

    66.7 °F

  • Highest 5 July, 2026

    90 °F

Climate (2021–2026)

Salmon, Lemhi County Airport (54.7 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    59 °F
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