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Sierra Nevada Snow Forecast - 21st March 2026

Sierra Nevada Snow Report and Forecast

ECMWF IFS
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Updated 21 March 2026 07:44 NZDT

Snow Forecast for Sierra Nevada

Snow and Weather from 21 March.

For Forecast detail, see below.

Sierra Nevada Snow Forecast Highlights

When will there be fresh snow in Sierra Nevada?

Sierra Nevada Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,700m)
Next Snow Expected22 March
Next Snow Amount4cm
Next 48 Hours5cm
Next 7 Days5cm
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Forecast for today in Sierra Nevada

Max 4℃
Min -1℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 4℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

up to 2cm New Snow

CloudCloudLt DrizzleCloud

Cloudy, light drizzle, cloudy later.

Snow Line from 2,515m to resort level (2,100m).

Forecast times for Sierra Nevada are in Madrid (Europe/Madrid) time zone.

Powder Alert!

Powder Alarm issued 21 March 2026 12:50 NZDT

Powder Possible :- 12cm of Fresh Snow is forecast for Sierra Nevada over the next 2 days.

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Sierra Nevada 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Sierra Nevada from OpenMeteo(ECMWF IFS)
Sat
21
Sun
22
Mon
23
Tue
24
Wed
25
Thu
26
Fri
27
Wind
3,300m
-1℃
Snow
+9cm
-3℃
Light Snow
+2cm
-3℃
Snow
+4cm
-3℃
Cloud
+1cm
-2℃
Light Snow
+1cm
1℃
Cloud
2℃
Clear
2,700m
3℃
Snow
+8cm
0℃
Light Snow
+1cm
1℃
Snow
+4cm
1℃
Cloud
2℃
Light Snow
5℃
Cloud
6℃
Clear
2,100m
7℃
Cloud
4℃
Light Snow
5℃
Cloud
5℃
Cloud
6℃
Lt Drizzle
9℃
Cloud
10℃
Clear
Snow Line

varying 2,762m
to 2,146m

varying 2,515m
to 2,100m

varying 2,562m
to 2,315m

varying 2,515m
to 2,208m

varying 2,731m
to 2,362m

Max Town7℃4℃5℃5℃6℃9℃10℃
Min Town1℃-1℃-1℃-3℃-1℃-1℃3℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

Snow Reliability

Sierra Nevada generally enjoys reliable snow conditions, with an average snow depth of around 1-2 meters during peak season. For the latest snow information, including current conditions and forecasts, check J2Ski.

Understanding and predicting Snow Conditions in Sierra Nevada

Here are our tips for making the most of a trip to Sierra Nevada, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Sierra Nevada, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Sierra Nevada is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Sierra Nevada will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Sierra Nevada for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.

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