Le Collet d'Allevard 7-Day Snow Forecast

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

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Updated 20 March 2026 17:44 PDT

Long-Range Snow Forecast for Le Collet d'Allevard

Long-range (14 to 45 days) from 21 March.

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 (5,823ft)
Next Snow Expected	22 March
Next Snow Amount	1in
Next 48 Hours	1in
Next 7 Days	12in
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Long-range Snow Outlook for Le Collet d'Allevard

Snowfall

Snow Line

Max 48°F
Min 18°F

12in New Snow

Snow Line from 5,515ft to resort level (4,757ft).

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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
Sat 21	Clear spells.	Max 45°F Min 27°F
Sun 22	up to 1in New Snow Heavy snow showers at altitude, light rain below. Snow Line from 5,312ft to resort level (4,757ft).	Max 37°F Min 27°F
Mon 23	Clear sky.	Max 42°F Min 22°F
Tue 24	Cloudy.	Max 47°F Min 24°F
Wed 25	2in to 3in New Snow Snow showers. Snow Line from 5,059ft to resort level (4,757ft).	Max 48°F Min 22°F
Thu 26	4in New Snow Light snow at altitude, heavy rain showers below. Snow falling to resort level (4,757ft).	Max 24°F Min 20°F
Fri 27	3in New Snow Heavy snow showers. Snow falling to resort level (4,757ft).	Max 24°F Min 18°F

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 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.

Le Collet d'Allevard Snow Forecast updated at 17:44 PDT, next update expected 23:00 PDT.

Ensemble forecast for Le Collet d'Allevard, France at 4,757ft

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 Le Collet d'Allevard

Snow Forecasts for Ski Resorts near Le Collet d'Allevard
Ski Area	48 Hr	7 Day
Chamrousse	2in	11in
Alpe d'Huez	1in	9in
La Tania	1in	9in
Les Menuires	1in	9in
Méribel	1in	9in
Saint Martin de Belleville	1in	9in
Val Thorens	1in	9in

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.

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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.

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