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.
Big Rock Park Temperature Statistics
April Temperature
Custer, Custer County Airport (1.9 miles)
Lowest 7 April, 2026
20.6 °FAverage April
40.2 °FHighest 11 April, 2026
72.6 °F
Climate (2021–Present)
Custer, Custer County Airport (1.9 miles)
Average Low 2021–2026
33.6 °FAverage 2021–2026
45.4 °FAverage High 2021–2026
56.9 °F