Keystone Weather Forecast

    • 31
    • 67

    Rain/Snow

    • 25
    • 35

    Snow

    • 24
    • 34

    Snow Likely

    • 32
    • 43

    Rain/Snow Likely

    • 27
    • 43

    Snow Likely

    • 29
    • 42

    Chance Snow

Today 28 Mar Central Black Hills

Partly cloudy with a 20 percent chance of rain. Highs in the 50s to upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 28 Mar Central Black Hills

Mostly cloudy. Snow likely with a chance of rain after midnight. Little or no snow accumulation. Lows around 30. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

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Keystone Temperature Statistics

March Temperature

Custer, Custer County Airport (14.9 miles)

  • Lowest 5 March, 2025

    7.8 °F

  • Average March

    36.9 °F

  • Highest 26 March, 2025

    66 °F

Climate (2020–Present)

Custer, Custer County Airport (14.9 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    56 °F
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