Harrison Lake Weather Forecast

    • 21
    • 28

    Snow

    • 13
    • 24

    Snow

    • 14
    • 21

    Snow Likely

    • 15
    • 20

    Snow Likely

    • 10
    • 22

    Snow Likely

    • 1
    • 16

    Snow Likely

    • 4
    • 13

    Chance Snow

Today 31 Jan Northwest Beaverhead County

Cloudy. A 20 percent chance of snow in the afternoon. Patchy blowing snow in the afternoon. Visibility one quarter mile or less at Times in the afternoon. Highs 30 to 35. Southwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 31 Jan Northwest Beaverhead County

Snow likely in the Evening, then chance of snow after midnight. Patchy blowing snow. Visibility one quarter mile or less at Times in the evening. Snow accumulation of 5 to 8 Inches. Lows 20 to 25. Southwest Winds 10 to 20 Mph with Gusts to around 40 Mph. Chance of snow 70 percent.

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Harrison Lake Temperature Statistics

January Temperature

Dillon, Dillon Airport (31.7 miles)

  • Lowest 20 January, 2025

    -19.2 °F

  • Average January

    17.7 °F

  • Highest 16 January, 2025

    42.7 °F

Climate (2020–Present)

Dillon, Dillon Airport (31.7 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    42.7 °F

  • Average High 2020–2025

    55.5 °F
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