Les Sybelles 7-Day Snow Forecast

Les Sybelles Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 20 March 2026 11:45 PDT

Long-Range Snow Forecast for Les Sybelles

Long-range (14 to 45 days) from 20 March.

For Forecast detail, see below.

Les Sybelles Snow Forecast Highlights

When will there be fresh snow in Les Sybelles?

Les Sybelles Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (6,184ft)
Next Snow Expected	22 March
Next Snow Amount	3in
Next 48 Hours	3in
Next 7 Days	16in
Save on Ski Hire	Save up to 50%

Long-range Snow Outlook for Les Sybelles

Snowfall

Snow Line

Max 49°F
Min 8°F

9in New Snow

Snow Line from 6,890ft to resort level (3,609ft).

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Les Sybelles 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 Les Sybelles from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Fri 20	Clear sky.	Max 49°F Min 18°F
Sat 21	Cloudy.	Max 45°F Min 22°F
Sun 22	2in New Snow Heavy snow showers at altitude, patchy rain below. Snow Line from 5,476ft to resort level (3,609ft).	Max 41°F Min 27°F
Mon 23	Clear sky.	Max 45°F Min 8°F
Tue 24	Clear spells.	Max 49°F Min 14°F
Wed 25	2in to 4in New Snow Snow showers at altitude, heavy rain showers below. Snow Line from 6,890ft to resort level (3,609ft).	Max 46°F Min 24°F
Thu 26	3in to 6in New Snow Heavy snow showers. Snow falling to resort level (3,609ft).	Max 28°F Min 22°F

This Snow Forecast for Les Sybelles, 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 Les Sybelles, 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.

Les Sybelles Snow Forecast updated at 11:45 PDT, next update expected 17:00 PDT.

Ensemble forecast for Les Sybelles, France at 3,773ft

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 Les Sybelles

Snow Forecasts for Ski Resorts near Les Sybelles
Ski Area	48 Hr	7 Day
Le Corbier	4in	16in
Les Bottières	4in	16in
La Toussuire	3in	15in
St Sorlin d'Arves	3in	15in
St Colomban des Villards	3in	15in
Chamrousse	3in	13in
Albiez Montrond	2in	11in
Les Deux Alpes	3in	10in

Snow Reliability

Les Sybelles enjoys reliable snow conditions, with an average snow depth of around 100 cm during peak season. Regular snowfall and well-maintained slopes ensure great skiing, but it's advisable to check the latest conditions on J2Ski.

Off-Piste Safety in Les Sybelles

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