Welcome Lake Weather Forecast

    • 44
    • 59

    Partly Sunny

    • 42
    • 64

    Slight Chance Rain

    • 36
    • 54

    Chance Snow

    • 29
    • 42

    Snow Likely

    • 28
    • 32

    Snow Showers

    • 28
    • 34

    Snow Likely

    • 29
    • 41

    Chance Snow

Today 9 May Western Lemhi County

Mostly sunny. Highs in the 70s to lower 80s.

Tonight 9 May Western Lemhi County

Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Welcome Lake Temperature Statistics

May Temperature

Salmon, Lemhi County Airport (34.2 miles)

  • Lowest 1 May, 2025

    29.8 °F

  • Average May

    53.2 °F

  • Highest 3 May, 2025

    80.7 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (34.2 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    58 °F
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