Oz-en-Oisans 7-Day Snow Forecast

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

ECMWF IFS

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Updated 23 May 2026 01:40 BST

Long-Range Snow Forecast for Oz-en-Oisans

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

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 26℃ 78°F
Min 11℃ 52°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
Sat 23	Clear sky.	Max 24℃ 75°F Min 11℃ 52°F
Sun 24	Light snow at altitude, light rain below.	Max 24℃ 75°F Min 13℃ 54°F
Mon 25	Clear sky.	Max 25℃ 78°F Min 12℃ 54°F
Tue 26	Fair at altitude, clear spells below.	Max 25℃ 78°F Min 14℃ 57°F
Wed 27	Fair.	Max 26℃ 78°F Min 15℃ 59°F
Thu 28	Clear sky.	Max 24℃ 76°F Min 13℃ 55°F
Fri 29	Clear sky.	Max 24℃ 76°F Min 14℃ 58°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 01:40 BST, next update expected 07:00 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.