Major Lake Weather Forecast

    • 32
    • 57

    Increasing Clouds

    • 44
    • 55

    Mostly Cloudy

    • 44
    • 58

    Partly Sunny

    • 34
    • 53

    Partly Sunny

    • 25
    • 49

    Mostly Sunny

    • 22
    • 38

    Partly Sunny

Today 22 Dec Central Black Hills

Mostly sunny and breezy. Highs in the upper 50s. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 22 Dec Central Black Hills

Partly cloudy. Not as cool with Lows in the upper 30s. West Winds 10 to 20 Mph with Gusts up to 40 Mph.

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Major Lake Temperature Statistics

December Temperature

Custer, Custer County Airport (13.7 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    31.5 °F

  • Highest 14 December, 2025

    57 °F

Climate (2020–Present)

Custer, Custer County Airport (13.7 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    44.9 °F

  • Average High 2020–2025

    56.2 °F
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