Ajax Lake Weather Forecast

    • 15
    • 32

    Mostly Sunny

    • 12
    • 32

    Mostly Sunny

    • 19
    • 31

    Partly Sunny

    • 24
    • 29

    Snow

    • 18
    • 28

    Snow

    • 19
    • 24

    Snow Likely

    • 19
    • 27

    Snow Likely

Today 28 Jan Northwest Beaverhead County

Sunny. Highs 30 to 35. Northwest Winds up to 10 Mph. Wind chill Readings 10 below to 20 below zero late in the morning.

Tonight 28 Jan Northwest Beaverhead County

Colder. Mostly clear. Lows 5 to 15. West Winds up to 10 Mph.

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Ajax Lake Temperature Statistics

January Temperature

Salmon, Lemhi County Airport (16.2 miles)

  • Lowest 20 January, 2025

    -6 °F

  • Average January

    19.9 °F

  • Highest 4 January, 2025

    42.7 °F

Climate (2020–Present)

Salmon, Lemhi County Airport (16.2 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    45.2 °F

  • Average High 2020–2025

    57.9 °F
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