Passy Plaine Joux 7-Day Snow Forecast

Passy Plaine Joux Long-Range Snow Forecast Updated today

ECMWF IFS

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Updated 25 June 2026 11:46 AEST

Long-Range Snow Forecast for Passy Plaine Joux

Long-range (14 to 45 days) from 25 June.

For Forecast detail, see below.

Passy Plaine Joux Snow Forecast Highlights

When will there be fresh snow in Passy Plaine Joux?

Passy Plaine Joux Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,540m)
Next Snow?
There is no snow currently in the forecast for Passy Plaine Joux.
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Long-range Snow Outlook for Passy Plaine Joux

Snowfall

Snow Line

Max 29℃
Min 13℃

Snow unlikely

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Passy Plaine Joux 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 Passy Plaine Joux from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Thu 25	Clear sky.	Max 27℃ Min 13℃
Fri 26	Clear sky.	Max 27℃ Min 14℃
Sat 27	Clear sky.	Max 29℃ Min 14℃
Sun 28	Light snow at altitude, light rain below.	Max 28℃ Min 14℃
Mon 29	Moderate/heavy snow showers at altitude, light drizzle below.	Max 26℃ Min 14℃
Tue 30	Light snow at altitude, rain showers below.	Max 21℃ Min 13℃
Wed 01	Light drizzle.	Max 20℃ Min 14℃

No significant snowfall is forecast for this period.

This Snow Forecast for Passy Plaine Joux, 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 Passy Plaine Joux, 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.

Passy Plaine Joux Snow Forecast updated at 11:46 AEST, next update expected 17:00 AEST.

Ensemble forecast for Passy Plaine Joux, France at 1,340m

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

Passy Plaine Joux typically enjoys a reliable snow cover with depths averaging around 70 cm throughout the season. For precise snow conditions and forecasts, check the latest updates on J2Ski.

Off-Piste Safety in Passy Plaine Joux

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