Praz de Lys Sommand 7-Day Snow Forecast

Praz de Lys Sommand Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 22 May 2026 17:47 PDT

Long-Range Snow Forecast for Praz de Lys Sommand

Long-range (14 to 45 days) from 23 May.

For Forecast detail, see below.

Praz de Lys Sommand Snow Forecast Highlights

When will there be fresh snow in Praz de Lys Sommand?

Praz de Lys Sommand Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (5,217ft)
Next Snow?
There is no snow currently in the forecast for Praz de Lys Sommand.
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Long-range Snow Outlook for Praz de Lys Sommand

Snowfall

Snow Line

Max 74°F
Min 49°F

Snow unlikely

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Praz de Lys Sommand 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 Praz de Lys Sommand from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Sat 23	Clear sky.	Max 71°F Min 50°F
Sun 24	Clear sky.	Max 73°F Min 50°F
Mon 25	Fair.	Max 72°F Min 53°F
Tue 26	Clear sky.	Max 74°F Min 55°F
Wed 27	Fair.	Max 74°F Min 56°F
Thu 28	Clear sky.	Max 72°F Min 52°F
Fri 29	Fair.	Max 71°F Min 49°F

No significant snowfall is forecast for this period.

This Snow Forecast for Praz de Lys Sommand, 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 Praz de Lys Sommand, 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.

Praz de Lys Sommand Snow Forecast updated at 17:47 PDT, next update expected 23:00 PDT.

Ensemble forecast for Praz de Lys Sommand, France at 3,937ft

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

Praz de Lys Sommand typically enjoys reliable snow conditions with an average depth of 100 cm during peak season. For the latest snow reports, be sure to check J2Ski for up-to-date information on snowfall and conditions.

Off-Piste Safety in Praz de Lys Sommand

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