Les Mosses 7-Day Snow Forecast

Les Mosses Long-Range Snow Forecast Updated today

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Updated 11 June 2026 18:45 PDT

Long-Range Snow Forecast for Les Mosses

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

For Forecast detail, see below.

Les Mosses Snow Forecast Highlights

When will there be fresh snow in Les Mosses?

Les Mosses Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (5,495ft)
Next Snow?
There is no snow currently in the forecast for Les Mosses.
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Long-range Snow Outlook for Les Mosses

Snowfall

Snow Line

Max 75°F
Min 40°F

Snow unlikely

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Les Mosses 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 Mosses from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Fri 12	Clear sky.	Max 61°F Min 40°F
Sat 13	Clear sky.	Max 68°F Min 47°F
Sun 14	Fair.	Max 67°F Min 49°F
Mon 15	Fair at altitude, clear sky below.	Max 66°F Min 46°F
Tue 16	Clear spells at altitude, fair below.	Max 70°F Min 47°F
Wed 17	Fair.	Max 73°F Min 55°F
Thu 18	Clear sky.	Max 75°F Min 57°F

No significant snowfall is forecast for this period.

This Snow Forecast for Les Mosses, Switzerland 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 Mosses, 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 Mosses Snow Forecast updated at 18:45 PDT, next update expected 00:00 PDT.

Ensemble forecast for Les Mosses, Switzerland 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.

Snow Reliability

Les Mosses typically enjoys a solid snow depth, with average snowfall around 200 cm during peak season. For the latest snow conditions and updates, be sure to check J2Ski for real-time information.

Off-Piste Safety in Les Mosses

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