The Sisters South Weather Forecast
- 47
- 54
Slight Chance Thunderstorms
- 50
- 61
Mostly Sunny
- 54
- 65
Mostly Sunny
- 56
- 70
Mostly Sunny
- 57
- 71
Mostly Sunny
- 55
- 70
Mostly Sunny
- 50
- 67
Mostly Sunny
Today 6 Sep Spring Mountains-Red Rock Canyon
Cloudy with chance of rain Showers and slight chance of Thunderstorms. Highs around 61 in mount Charleston around 79 at red rock. South Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent.
Tonight 6 Sep Spring Mountains-Red Rock Canyon
Mostly cloudy in the evening then clearing. Lows around 52 in mount Charleston. Around 66 at red rock. South Winds up to 10 Mph with Gusts to around 25 Mph.
The Sisters South Temperature Statistics
September Temperature
Nellis AFB - Indian Springs Auxiliary Airfield (17.4 miles)
Lowest 3 September, 2026
63.3 °FAverage September
80.2 °FHighest 4 September, 2026
94.3 °F
Climate (2021–2026)
Nellis AFB - Indian Springs Auxiliary Airfield (17.4 miles)
Average Low 2021–2026
50.9 °FAverage 2021–2026
64.8 °FAverage High 2021–2026
77.5 °F