Allan Lake Weather Forecast

    • 44
    • 64

    Partly Sunny

    • 48
    • 70

    Mostly Sunny

    • 44
    • 73

    Chance Thunderstorms

    • 44
    • 71

    Sunny

    • 47
    • 77

    Mostly Sunny

    • 40
    • 66

    Chance Rain

    • 39
    • 52

    Rain Showers Likely

Today 27 May Western Lemhi County

Partly cloudy. Highs in the 70s.

Tonight 27 May Western Lemhi County

Partly cloudy. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Allan Lake Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (33.6 miles)

  • Lowest 1 May, 2025

    29.8 °F

  • Average May

    53.8 °F

  • Highest 10 May, 2025

    86 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (33.6 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.3 °F

  • Average High 2020–2025

    58 °F
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