Mont Louis 7-Day Snow Forecast

Mont Louis Long-Range Snow Forecast Updated today

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Updated 12 August 2026 12:41 NZST

Long-Range Snow Forecast for Mont Louis

Long-range (14 to 45 days) from 12 August.

For Forecast detail, see below.

Mont Louis Snow Forecast Highlights

When will there be fresh snow in Mont Louis?

Mont Louis Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,600m)
Next Snow?
There is no snow currently in the forecast for Mont Louis.

Long-range Snow Outlook for Mont Louis

Snowfall

Snow Line

Max 27℃
Min 10℃

Snow unlikely

Mont Louis 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 Mont Louis from OpenMeteo(ECMWF IFS)
	Snow and Weather	Temp Town
Wed 12	Clear sky.	Max 25℃ Min 14℃
Thu 13	Clear sky.	Max 27℃ Min 14℃
Fri 14	Clear sky.	Max 26℃ Min 15℃
Sat 15	Rain showers.	Max 24℃ Min 14℃
Sun 16	Rain showers.	Max 20℃ Min 12℃
Mon 17	Rain showers.	Max 19℃ Min 10℃
Tue 18	Light drizzle.	Max 16℃ Min 12℃

No significant snowfall is forecast for this period.

This Snow Forecast for Mont Louis, 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 Mont Louis, 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.

Mont Louis Snow Forecast updated at 12:41 NZST, next update expected 18:00 NZST.

Ensemble forecast for Mont Louis, France at 1,600m

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

Mont Louis typically enjoys a solid snow depth of around 120 cm during peak season, with reliable winter snowfall. For the latest snow conditions and updates, check J2Ski regularly for the most accurate information.

Off-Piste Safety in Mont Louis

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