Alpe du Grand Serre 7-Day Snow Forecast

Alpe du Grand Serre Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 22 May 2026 05:45 PDT

Long-Range Snow Forecast for Alpe du Grand Serre

Long-range (14 to 45 days) from 22 May.

For Forecast detail, see below.

Alpe du Grand Serre Snow Forecast Highlights

When will there be fresh snow in Alpe du Grand Serre?

Alpe du Grand Serre Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (5,823ft)
Next Snow?
There is no snow currently in the forecast for Alpe du Grand Serre.

Long-range Snow Outlook for Alpe du Grand Serre

Snowfall

Snow Line

Max 73°F
Min 41°F

Snow unlikely

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Alpe du Grand Serre Long-Range (2 weeks+) Snow Forecast Outlook

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

16 Day Weather and Snow Forecast for Alpe du Grand Serre from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Fri 22	Clear sky.	Max 67°F Min 41°F
Sat 23	Snow showers at altitude, rain showers below.	Max 69°F Min 46°F
Sun 24	Clear sky.	Max 71°F Min 51°F
Mon 25	Fair.	Max 72°F Min 51°F
Tue 26	Snow showers at altitude, rain showers below.	Max 73°F Min 53°F
Wed 27	Fair at altitude, clear sky below.	Max 72°F Min 54°F
Thu 28	Light snow at altitude, light rain below.	Max 67°F Min 51°F

No significant snowfall is forecast for this period.

This Snow Forecast for Alpe du Grand Serre, France gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Alpe du Grand Serre, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Alpe du Grand Serre Snow Forecast updated at 05:45 PDT, next update expected 11:00 PDT.

Ensemble forecast for Alpe du Grand Serre, France at 4,495ft

Daily Mean Temperature (yellow line is control)

Daily Total Precipitation (blue line is control)

What are Forecast Ensembles ? Multiple forecasts from running the same weather model with slightly different inputs. The prominent line (the 'control') is the model output from standard inputs, the thinner lines are the variations. Plotted together, they show a range of possible outcomes; the closer they are, the higher the confidence.

How to read Long Range Ensemble Forecasts

These forecasts are from ECMWF EC46, a long-range, low-resolution (area) model. They may not accurately reflect local conditions and should be read as area forecasts, indicating whether the coming weeks are likely to be warmer, colder, wetter, or drier than average.

What to look for?

Temperatures trending downward at the same time as precipitation spikes upward... means snow!

Lines close together indicate a high confidence, while wider spreads signal uncertainty.

Snow Reliability

Alpe du Grand Serre typically enjoys reliable snow conditions, with an average snow depth of 150 cm during peak season. The snowfall is consistent, and snowmelt is gradual; for the latest updates, check J2Ski for current snow information.

Off-Piste Safety in Alpe du Grand Serre

Before skiing or snowboarding off-piste in Alpe du Grand Serre, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.