Mitchell Lake Weather Forecast

    • 44
    • 60

    Mostly Cloudy

    • 46
    • 60

    Partly Sunny

    • 40
    • 59

    Partly Sunny

    • 32
    • 54

    Partly Sunny

    • 11
    • 41

    Partly Sunny

    • 16
    • 29

    Mostly Sunny

    • 28
    • 42

    Mostly Sunny

Today 23 Dec Central Black Hills

Partly cloudy. Highs in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 23 Dec Central Black Hills

Becoming partly cloudy. Lows in the lower 40s. Southwest Winds 10 to 15 Mph.

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Mitchell Lake Temperature Statistics

December Temperature

Custer, Custer County Airport (14.3 miles)

  • Lowest 1 December, 2025

    7 °F

  • Average December

    31.3 °F

  • Highest 14 December, 2025

    57 °F

Climate (2020–Present)

Custer, Custer County Airport (14.3 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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