Saint Jean de Sixt 7-Day Snow Forecast

Saint Jean de Sixt Long-Range Snow Forecast Updated today

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Updated 19 May 2026 18:40 PDT

Long-Range Snow Forecast for Saint Jean de Sixt

Long-range (14 to 45 days) from 20 May.

For Forecast detail, see below.

Saint Jean de Sixt Snow Forecast Highlights

When will there be fresh snow in Saint Jean de Sixt?

Saint Jean de Sixt Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (3,150ft)
Next Snow?
There is no snow currently in the forecast for Saint Jean de Sixt.
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Long-range Snow Outlook for Saint Jean de Sixt

Snowfall

Snow Line

Max 76°F
Min 41°F

Snow unlikely

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Saint Jean de Sixt 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 Saint Jean de Sixt from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Wed 20	Fair.	Max 60°F Min 45°F
Thu 21	Clear spells.	Max 68°F Min 41°F
Fri 22	Clear sky.	Max 71°F Min 49°F
Sat 23	Clear sky.	Max 72°F Min 52°F
Sun 24	Rain showers.	Max 72°F Min 56°F
Mon 25	Light drizzle.	Max 74°F Min 56°F
Tue 26	Light drizzle.	Max 76°F Min 59°F

No significant snowfall is forecast for this period.

This Snow Forecast for Saint Jean de Sixt, 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 Saint Jean de Sixt, 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.

Saint Jean de Sixt Snow Forecast updated at 18:40 PDT, next update expected imminently.

Ensemble forecast for Saint Jean de Sixt, France at 3,150ft

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 Saint Jean de Sixt

Snow Forecasts for Ski Resorts near Saint Jean de Sixt
Ski Area	48 Hr	7 Day	We	Th	Fr	Sa	Su	Mo	Tu
Chamonix	1in	1in

Snow Reliability

Typically, snowfall in Saint Jean de Sixt ranges from 150 to 250 cm throughout the season, with reliable snow coverage until late April. For the latest snow conditions and depth updates, check J2Ski for the most accurate information.

Off-Piste Safety in Saint Jean de Sixt

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