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 02 May 2026 06:42 PDT

Long-Range Snow Forecast for Alpe du Grand Serre

Long-range (14 to 45 days) from 2 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 Expected	6 May
Next Snow Amount	1in
Next 48 Hours	-
Next 7 Days	1in

Long-range Snow Outlook for Alpe du Grand Serre

Snowfall

Snow Line

Max 62°F
Min 35°F

2in New Snow

Snow Line from 6,969ft to 4,596ft, with rain below.

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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
Sat 02	Cloudy.	Max 63°F Min 38°F
Sun 03	Cloudy.	Max 60°F Min 44°F
Mon 04	Light snow at altitude, light rain below.	Max 54°F Min 43°F
Tue 05	Light snow showers at altitude, light rain showers below.	Max 53°F Min 41°F
Wed 06	up to 3in New Snow Heavy snow showers at altitude, heavy rain showers below. Snow Line from 6,211ft to 4,849ft, with rain below.	Max 43°F Min 36°F
Thu 07	Rain showers.	Max 56°F Min 34°F
Fri 08	Light drizzle.	Max 53°F Min 40°F

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 06:42 PDT, next update expected 12:00 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 Forecast near Alpe du Grand Serre

Snow Forecasts for Ski Resorts near Alpe du Grand Serre
Ski Area	48 Hr	7 Day
Les Deux Alpes	4in	16in
Vaujany	4in	15in
Alpe d'Huez	3in	14in
La Grave	2in	6in
Dévoluy	-	2in
La Joue du Loup	-	2in
Chamrousse	-	1in

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.