The Sisters South Weather Forecast

    • 36
    • 51

    Becoming Sunny

    • 35
    • 49

    Partly Sunny

    • 36
    • 47

    Mostly Cloudy

    • 35
    • 48

    Mostly Cloudy

    • 33
    • 45

    Snow Showers

    • 31
    • 38

    Snow Showers

Today 19 Dec Spring Mountains-Red Rock Canyon

Mostly sunny. Highs around 55 in mount Charleston. Around 68 at red rock. Southwest Winds 5 to 10 Mph.

Tonight 19 Dec Spring Mountains-Red Rock Canyon

Mostly clear. Lows around 42 in mount Charleston. Around 44 at red rock. Southwest Winds up to 10 Mph with Gusts to around 25 Mph.

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The Sisters South Temperature Statistics

December Temperature

Nellis AFB - Indian Springs Auxiliary Airfield (17.4 miles)

  • Lowest 2 December, 2025

    30.2 °F

  • Average December

    47.8 °F

  • Highest 11 December, 2025

    73.8 °F

Climate (2020–Present)

Nellis AFB - Indian Springs Auxiliary Airfield (17.4 miles)

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  • Average Low 2020–2025

    50.4 °F

  • Average 2020–2025

    64.5 °F

  • Average High 2020–2025

    77 °F
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