Peterson Lake Weather Forecast

    • -4
    • 3

    Slight Chance Snow

    • -9
    • 6

    Slight Chance Snow

    • 3
    • 5

    Cold

    • 6
    • 22

    Mostly Cloudy

    • 3
    • 17

    Partly Sunny

    • 10
    • 19

    Mostly Cloudy

Today 18 Jan Northwest Beaverhead County

Colder. Mostly cloudy with a 20 percent chance of snow. Highs 5 to 10. Northwest Winds up to 10 Mph. Wind chill Readings 5 below to 15 below zero.

Tonight 18 Jan Northwest Beaverhead County

Colder. Mostly cloudy. Lows 5 below to zero. West Winds up to 5 Mph.

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Peterson Lake Temperature Statistics

January Temperature

Salmon, Lemhi County Airport (28 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 (28 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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