Big Rock Park Weather Forecast
- 28
- 33
Rain/Snow
- 28
- 41
Snow Showers
- 27
- 41
Rain/Snow Likely
- 29
- 51
Chance Rain Showers
- 29
- 52
Slight Chance Rain/Snow
- 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
A slight chance of rain Showers this evening. Snow Showers. Areas of fog. Snow accumulation around an inch. Lows in the upper 20s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 90 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