Split Rock Lake Weather Forecast

    • 23
    • 40

    Chance Snow

    • 17
    • 38

    Snow

    • 25
    • 38

    Snow

    • 33
    • 44

    Chance Rain/Snow

    • 34
    • 45

    Rain/Snow Likely

    • 26
    • 46

    Rain/Snow

Today 4 Dec Southern High Plains

Breezy. Mostly cloudy with a 20 percent chance of snow. Highs in the upper 30s. West Winds 15 to 25 Mph. Gusts up to 65 Mph decreasing to 55 Mph in the afternoon.

Tonight 4 Dec Southern High Plains

Mostly cloudy with a 20 percent chance of snow. Lows in the lower 20s. West Winds 5 to 15 Mph. Gusts up to 45 Mph decreasing to 35 Mph after midnight.

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Split Rock Lake Temperature Statistics

December Temperature

Great Falls, Great Falls International Airport (54.7 miles)

  • Lowest 1 December, 2025

    19 °F

  • Average December

    30 °F

  • Highest 1 December, 2025

    34 °F

Climate (2020–Present)

Great Falls, Great Falls International Airport (54.7 miles)

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  • Average Low 2020–2025

    34.2 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    58.5 °F
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