Black Hills National Forest Weather Forecast

    • 28
    • 48

    Mostly Cloudy

    • 27
    • 38

    Gradual Clearing

    • 31
    • 41

    Partly Sunny

    • 30
    • 45

    Partly Sunny

    • 23
    • 42

    Partly Sunny

    • 21
    • 34

    Partly Sunny

    • 19
    • 36

    Partly Sunny

Today 1 Jan Northern Black Hills

Mostly cloudy. Highs in the upper 40s to mid 50s. South Winds around 5 Mph.

Tonight 1 Jan Northern Black Hills

Mostly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Black Hills National Forest Temperature Statistics

January Temperature

Custer, Custer County Airport (16.8 miles)

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  • Average January

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Climate (2021–Present)

Custer, Custer County Airport (16.8 miles)

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  • Average Low 2021–2025

    33.3 °F
  • Average 2021–2025

    44.9 °F
  • Average High 2021–2025

    56.3 °F
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