Big Rock Park Weather Forecast

    • 28
    • 33

    Rain/Snow

    • 28
    • 41

    Snow Showers

    • 27
    • 41

    Rain/Snow

    • 29
    • 51

    Chance Rain Showers

    • 29
    • 52

    Slight Chance Rain Showers

    • 36
    • 60

    Mostly Sunny

    • 38
    • 64

    Partly Sunny

Today 26 Apr Central Black Hills

Cloudy with snow Showers and rain Showers likely. Near steady temperature in the lower 30s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of precipitation 70 percent.

Tonight 26 Apr Central Black Hills

Snow Showers likely. Snow accumulation around an inch. Lows in the upper 20s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Rock Park Temperature Statistics

April Temperature

Custer, Custer County Airport (1.9 miles)

  • Lowest 7 April, 2026

    20.6 °F

  • Average April

    40.2 °F

  • Highest 11 April, 2026

    72.6 °F

Climate (2021–Present)

Custer, Custer County Airport (1.9 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    45.4 °F

  • Average High 2021–2026

    56.9 °F
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