Alta Weather Forecast

    • 48
    • 60

    Decreasing Clouds

    • 50
    • 63

    Mostly Sunny

    • 52
    • 65

    Partly Sunny

    • 51
    • 66

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 51
    • 68

    Mostly Sunny

Today 7 Dec West Slope Northern Sierra Nevada

Partly cloudy in the morning then becoming mostly sunny. Highs 44 to 59 higher Elevations. 55 to 65 lower Elevations. Light Winds.

Tonight 7 Dec West Slope Northern Sierra Nevada

Partly cloudy in the evening then clearing. Lows 29 to 44 higher Elevations. 39 to 49 lower Elevations. Prevailing east Winds up to 10 Mph.

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Alta Temperature Statistics

December Temperature

Emigrant Gap, Blue Canyon Nyack Airport (6.8 miles)

  • Lowest 3 December, 2025

    34 °F

  • Average December

    43.6 °F

  • Highest 1 December, 2025

    52 °F

Climate (2020–Present)

Emigrant Gap, Blue Canyon Nyack Airport (6.8 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    53.2 °F

  • Average High 2020–2025

    60.3 °F
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