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Chamonix Sud Long-Range Snow Forecast - 23rd May 2026

Chamonix Sud Long-Range Snow Forecast Updated today

ECMWF IFS
GFS

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Updated 22 May 2026 17:40 PDT

Long-Range Snow Forecast for Chamonix Sud

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

For Forecast detail, see below.

Chamonix Sud Snow Forecast Highlights

When will there be fresh snow in Chamonix Sud?

Chamonix Sud Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (8,005ft)
Next Snow?
There is no snow currently in the forecast for Chamonix Sud.
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Long-range Snow Outlook for Chamonix Sud

 
Snowfall

 
Snow Line

Max 78°F
Min 48°F

Snow unlikely

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Chamonix Sud 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 Chamonix Sud from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Sat
23
Clear

Clear sky.

Max 75°F
Min 48°F
Sun
24
Clear

Clear sky.

Max 77°F
Min 48°F
Mon
25
Clear

Clear sky.

Max 78°F
Min 53°F
Tue
26
Fair

Fair.

Max 78°F
Min 52°F
Wed
27
Fair

Fair.

Max 77°F
Min 51°F
Thu
28
Clear

Clear sky.

Max 76°F
Min 49°F
Fri
29
Fair

Clear sky at altitude, fair below.

Max 75°F
Min 49°F

This Snow Forecast for Chamonix Sud, 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 Chamonix Sud, 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.

Chamonix Sud Snow Forecast updated at 17:40 PDT, next update expected 23:00 PDT.

Long-range ensemble forecasts for Chamonix Sud will be available shortly.

Snow Reliability

Chamonix Sud generally sees a snow depth of around 180 cm in winter, with reliable snowfall throughout the season. For the latest snow conditions, including updates on snowmelt and depth, visit J2Ski.

Off-Piste Safety in Chamonix Sud

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