Le Collet d'Allevard 7-Day Snow Forecast

Le Collet d'Allevard Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 12 August 2026 00:45 NZST

Long-Range Snow Forecast for Le Collet d'Allevard

Long-range (14 to 45 days) from 11 August.

For Forecast detail, see below.

Le Collet d'Allevard Snow Forecast Highlights

When will there be fresh snow in Le Collet d'Allevard?

Le Collet d'Allevard Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,775m)
Next Snow?
There is no snow currently in the forecast for Le Collet d'Allevard.
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Long-range Snow Outlook for Le Collet d'Allevard

Snowfall

Snow Line

Max 27℃
Min 13℃

Snow unlikely

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Le Collet d'Allevard 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 Le Collet d'Allevard from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Tue 11	Light snow at altitude, light rain below.	Max 23℃ Min 15℃
Wed 12	Clear sky.	Max 25℃ Min 14℃
Thu 13	Clear sky.	Max 26℃ Min 15℃
Fri 14	Clear sky.	Max 27℃ Min 15℃
Sat 15	Clear sky.	Max 25℃ Min 14℃
Sun 16	Cloudy at altitude, rain showers below.	Max 22℃ Min 14℃
Mon 17	Light snow at altitude, thunderstorms below.	Max 17℃ Min 13℃

No significant snowfall is forecast for this period.

This Snow Forecast for Le Collet d'Allevard, 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 Le Collet d'Allevard, 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.

Le Collet d'Allevard Snow Forecast updated at 00:45 NZST, next update expected 06:00 NZST.

Ensemble forecast for Le Collet d'Allevard, France at 1,450m

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 Reliability

Le Collet d'Allevard typically enjoys reliable snow conditions, with an average snow depth of 100 cm during peak season. Regular snowfall ensures a good base, but for the latest updates, check J2Ski for real-time snow conditions.

Off-Piste Safety in Le Collet d'Allevard

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