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Alta Sierra at Shirley Meadows resort snow
Ski USA - California

Alta Sierra at Shirley Meadows Snow History

35.71° N 118.56° W

Weather Forecast for Alta Sierra at Shirley Meadows at 2072m altitude

Issued:
10 am 04 Sep 2026 (local time)
Forecast update in:
 hr  min

Is Alta Sierra at Shirley Meadows snowsure?

The snowiest week in Alta Sierra at Shirley Meadows is week 1 of March. There are typically 1.6 snowy days during this week with 14cm of snowfall. Check out the Alta Sierra at Shirley Meadows Snow History graphs below. Select any week of the year to see the typical Ski Conditions, Snowfall Amount and Temperature based on nowcast weather data over the last 11 years.

Average monthly snow in Alta Sierra at Shirley Meadows

MonthSnow amount (week)Snow days (week)
December6cm0.8 days
January11cm1.1 days
February12cm1.2 days
March8cm1.2 days
April3cm0.6 days

Average Snow and Weather Conditions in Alta Sierra at Shirley Meadows during September (week 1):

The average snowfall forecast during week 1 of September for Alta Sierra at Shirley Meadows is 0 cm. There are typically 0.0 snowy days during this week. Alta Sierra at Shirley Meadows typical weather and snow conditions during the first week of September at the middle elevation of the ski area at 2072m, based on historical averages over the last 18 years: At this time of year the typical freezing level (4844m) is a long way above the mid altitude of Alta Sierra at Shirley Meadows. is very unlikely in Alta Sierra at Shirley Meadows at the start of September but there is a 50% chance that one day will be rainy. Warm daytime temperatures in Alta Sierra at Shirley Meadows during week one of September. The average temperature range is between 17.7°C and 20.0°C at the mid altitude. Almost always sunny at this time of year. Most years, there is just one totally overcast day per week. Generally light winds (average 9km/h).


Snow History: Compare Resorts


Compare Alta Sierra at Shirley Meadows with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Alta Sierra at Shirley Meadows and (2007 – 2026).

Winter
Summer

Alta Sierra at Shirley Meadows


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Alta Sierra at Shirley Meadows and (2007 – 2026)

Winter
Summer

Bluebird Powder Day
(Fresh snow, mostly sunny, light wind)
Powder Day
(Fresh snow, limited sun, any wind)
Bluebird Day
(Average snow, mostly sunny, light wind)
Very windy days
(>30km/h)

The most cherished days on the mountain in Alta Sierra at Shirley Meadows are Bluebird Powder days when it is mostly sunny with light winds following very recent snowfall. Poorer weather conditions may prevail on Powder days when the visibility can be limited but the snow is significantly deep and fresh for keen powder-hounds. Bluebird days can suit many skiers that aren’t necessarily hunting powder but want to enjoy the snowy mountains in sunnier conditions and light winds.


Average Snowfall in

Graph showing the average precipitation (snow/rain) in Alta Sierra at Shirley Meadows and (2007 – 2026)

Winter
Summer

Snowfall amount
(bar chart)
Days with significant snowfall.
(>5cm)
Days with significant rainfall.
(>5mm)

The snowiest weeks of the year in Alta Sierra at Shirley Meadows are shown but also bear in mind the number of days that it typically snows each week if you want regular fresh tracks. The risk of a rainy day is shown but be sure to switch between elevations to see if lower lifts are rain affected or higher lifts remain snowy despite any rain further down the mountain.


Average Temperature in

Graph showing the average temperature and freezing level at Alta Sierra at Shirley Meadows and (2007 – 2026)

Winter
Summer

Average temperature
Maximum
Minimum
Temperatures
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Alta Sierra at Shirley Meadows are shown. Check out the risk of freze-thaw conditions prevailing at different elevations for any given week. We also show the extremes of temperature (blue/red dots) that reveal the chance of unusually warm or cold conditions.