Les Bossons 7-Day Snow Forecast

Les Bossons Long-Range Snow Forecast Updated today

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Updated 13 June 2026 08:44 NZST

Long-Range Snow Forecast for Les Bossons

Long-range (14 to 45 days) from 13 June.

For Forecast detail, see below.

Les Bossons Snow Forecast Highlights

When will there be fresh snow in Les Bossons?

Les Bossons Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,215m)
Next Snow?
There is no snow currently in the forecast for Les Bossons.

Long-range Snow Outlook for Les Bossons

Snowfall

Snow Line

Max 28℃
Min 9℃

Snow unlikely

Les Bossons 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 Bossons from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Sat 13	Clear sky.	Max 24℃ Min 9℃
Sun 14	Cloudy.	Max 23℃ Min 10℃
Mon 15	Clear sky.	Max 23℃ Min 9℃
Tue 16	Fair at altitude, clear spells below.	Max 25℃ Min 10℃
Wed 17	Fair.	Max 26℃ Min 12℃
Thu 18	Clear sky.	Max 27℃ Min 14℃
Fri 19	Light snow at altitude, light rain below.	Max 28℃ Min 16℃

No significant snowfall is forecast for this period.

This Snow Forecast for Les Bossons, 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 Bossons, 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.

Les Bossons Snow Forecast updated at 08:44 NZST, next update expected imminently.

Ensemble forecast for Les Bossons, France at 1,020m

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 Reliability

Les Bossons typically enjoys reliable snow conditions, with average depths ranging from 80 to 200 cm throughout the season. For the latest snow info and detailed forecasts, check J2Ski regularly.

Off-Piste Safety in Les Bossons

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