Big Rock Park Weather Forecast

    • 32
    • 49

    Snow

    • 30
    • 38

    Rain/Snow

    • 36
    • 43

    Rain Showers Likely

    • 45
    • 66

    Chance Rain Showers

    • 44
    • 74

    Rain Showers Likely

    • 33
    • 59

    Rain Showers

    • 37
    • 57

    Chance Rain Showers

Today 23 Apr Central Black Hills

Mostly cloudy with scattered rain Showers and isolated Thunderstorms. Near steady temperature in the mid 40s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 23 Apr Central Black Hills

Mostly cloudy. A slight chance of rain Showers and snow in the Evening, then snow likely with a chance of rain after midnight. Little or no snow accumulation. Lows in the lower 30s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

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Big Rock Park Temperature Statistics

April Temperature

Custer, Custer County Airport (1.9 miles)

  • Lowest 5 April, 2025

    14.8 °F

  • Average April

    39.7 °F

  • Highest 11 April, 2025

    73.7 °F

Climate (2020–Present)

Custer, Custer County Airport (1.9 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    44.8 °F

  • Average High 2020–2025

    56.2 °F
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