Major Lake Weather Forecast
- 50
- 68
Areas Smoke
- 39
- 73
Areas Smoke
- 37
- 61
Mostly Sunny
- 41
- 63
Mostly Sunny
- 53
- 72
Partly Sunny
- 54
- 75
Partly Sunny
- 55
- 75
Slight Chance Thunderstorms
Today 3 Sep Central Black Hills
Partly cloudy. Areas of smoke. Near steady temperature in the mid 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.
Tonight 3 Sep Central Black Hills
Partly cloudy. Lows in the upper 40s. South Winds around 5 Mph, becoming west with Gusts up to 20 Mph.
Major Lake Temperature Statistics
September Temperature
Custer, Custer County Airport (13.7 miles)
Lowest 1 September, 2025
43 °FAverage September
60 °FHighest 1 September, 2025
73.9 °F
Climate (2020–Present)
Custer, Custer County Airport (13.7 miles)
Average Low 2020–2025
33 °FAverage 2020–2025
44.7 °FAverage High 2020–2025
56.1 °F