Mirror Lake Weather Forecast

    • -2
    • 6

    Slight Chance Snow

    • -7
    • 9

    Cold

    • 0
    • 10

    Cold

    • 2
    • 18

    Mostly Cloudy

    • 3
    • 16

    Mostly Cloudy

    • 10
    • 20

    Partly Sunny

Today 18 Jan Western Lemhi County

Mostly cloudy. Highs 16 to 23.

Tonight 18 Jan Western Lemhi County

Partly cloudy in the evening then becoming mostly cloudy. Lows 3 to 10.

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Mirror Lake Temperature Statistics

January Temperature

Salmon, Lemhi County Airport (33.6 miles)

  • Lowest 14 January, 2025

    3.9 °F

  • Average January

    23.6 °F

  • Highest 4 January, 2025

    42.7 °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

    45.2 °F

  • Average High 2020–2025

    58 °F
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