Arc 1600 7-Day Snow Forecast

Arc 1600 Long-Range Snow Forecast Updated today

ECMWF IFS

GFS

PROSubscribe to Switch Weather Model

Updated 21 September 2026 01:16 IST

Long-Range Snow Forecast for Arc 1600

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

For Forecast detail, see below.

Arc 1600 Snow Forecast Highlights

When will there be fresh snow in Arc 1600?

Arc 1600 Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,415m)
Next Snow?
There is no snow currently in the forecast for Arc 1600.
Save on Ski Hire	Save up to 50%
Find a Ski Instructor	Book Lessons

Long-range Snow Outlook for Arc 1600

Snowfall

Snow Line

Max 21℃
Min 4℃

Snow unlikely

Partner Offers

Arc 1600 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 Arc 1600 from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Sun 20	Clear spells.	Max 21℃ Min 6℃
Mon 21	Cloudy.	Max 18℃ Min 8℃
Tue 22	Clear sky.	Max 19℃ Min 8℃
Wed 23	Fair.	Max 18℃ Min 7℃
Thu 24	Clear sky.	Max 16℃ Min 6℃
Fri 25	Clear spells.	Max 17℃ Min 4℃
Sat 26	Clear sky.	Max 20℃ Min 6℃

No significant snowfall is forecast for this period.

This Snow Forecast for Arc 1600, 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 Arc 1600, 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.

Arc 1600 Snow Forecast updated at 01:16 IST, next update expected 06:30 IST.

Long-range ensemble forecasts for Arc 1600 will be available shortly.

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.

France Accommodation (Apartments, Chalets, Hotels) Map

Snow Reliability

Arc 1600 benefits from a good snow reliability with a typical depth of around 150 cm during peak season. For the latest snow conditions and updates, check J2Ski for accurate and timely information.

Off-Piste Safety in Arc 1600

Before skiing or snowboarding off-piste in Arc 1600, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.