Oz-en-Oisans 7-Day Snow Forecast

Oz-en-Oisans Long-Range Snow Forecast Updated today

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Updated 11 August 2026 13:52 BST

Long-Range Snow Forecast for Oz-en-Oisans

Long-range (14 to 45 days) from 11 August.

For Forecast detail, see below.

Oz-en-Oisans Snow Forecast Highlights

When will there be fresh snow in Oz-en-Oisans?

Oz-en-Oisans Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,925m)
Next Snow?
There is no snow currently in the forecast for Oz-en-Oisans.
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Long-range Snow Outlook for Oz-en-Oisans

Snowfall

Snow Line

Max 30℃ 86°F
Min 16℃ 60°F

Snow unlikely

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Oz-en-Oisans 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 Oz-en-Oisans from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Tue 11	Clear spells.	Max 26℃ 80°F Min 18℃ 64°F
Wed 12	Light snow at altitude, light rain below.	Max 28℃ 81°F Min 17℃ 62°F
Thu 13	Clear sky.	Max 30℃ 86°F Min 18℃ 64°F
Fri 14	Clear sky.	Max 30℃ 86°F Min 19℃ 65°F
Sat 15	Clear sky.	Max 27℃ 81°F Min 18℃ 64°F
Sun 16	Clear spells at altitude, rain showers below.	Max 24℃ 74°F Min 17℃ 62°F
Mon 17	Light snow at altitude, light drizzle below.	Max 23℃ 73°F Min 16℃ 60°F

No significant snowfall is forecast for this period.

This Snow Forecast for Oz-en-Oisans, 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 Oz-en-Oisans, 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.

Oz-en-Oisans Snow Forecast updated at 13:52 BST, next update expected 19:00 BST.

Ensemble forecast for Oz-en-Oisans, France at 1,000m

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

Oz-en-Oisans typically enjoys a snow depth of 100-300 cm during the winter season, with reliable snowfall from December to April. For the latest snow conditions, check J2Ski for up-to-date reports.

Off-Piste Safety in Oz-en-Oisans

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