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 12 April 2026 19:47 NZST

Long-Range Snow Forecast for Alpe du Grand Serre

Long-range (14 to 45 days) from 12 April.

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 (1,775m)
Next Snow Expected	13 April
Next Snow Amount	2cm
Next 48 Hours	3cm
Next 7 Days	3cm

Long-range Snow Outlook for Alpe du Grand Serre

Snowfall

Snow Line

Max 14℃
Min 0℃

7cm New Snow

Snow Line from 1,970m to resort level (1,370m).

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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
Sun 12	up to 1cm New Snow Cloudy. Snow Line from 1,970m to 1,708m, with rain below.	Max 8℃ Min 4℃
Mon 13	1cm to 4cm New Snow Light snow. Snow Line from 1,693m to resort level (1,370m).	Max 4℃ Min 0℃
Tue 14	1cm New Snow Clear sky at altitude, cloudy below. Snow falling to resort level (1,370m).	Max 6℃ Min 0℃
Wed 15	Clear sky at altitude, cloudy below.	Max 11℃ Min 0℃
Thu 16	Clear sky at altitude, cloudy below.	Max 12℃ Min 1℃
Fri 17	Clear sky.	Max 14℃ Min 1℃
Sat 18	Clear sky at altitude, clear spells below.	Max 14℃ Min 0℃

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 piste 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 19:47 NZST, next update expected 01:00 NZST.

Ensemble forecast for Alpe du Grand Serre, France at 1,370m

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.

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Snow Forecast near Alpe du Grand Serre

Snow Forecasts for Ski Resorts near Alpe du Grand Serre
Ski Area	48 Hr	7 Day
Vaujany	13cm	13cm
Alpe d'Huez	7cm	9cm
Chamrousse	8cm	8cm
Dévoluy	8cm	8cm
La Joue du Loup	8cm	8cm
Les Deux Alpes	5cm	7cm
La Grave	4cm	4cm

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.