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Chamonix Long-Range Snow Forecast - 23rd May 2026

Chamonix Long-Range Snow Forecast Updated today

ECMWF IFS
GFS

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Updated 23 May 2026 06:40 PDT

Long-Range Snow Forecast for Chamonix

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

For Forecast detail, see below.

Chamonix Snow Forecast Highlights

When will there be fresh snow in Chamonix?

Chamonix Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (8,005ft)
Next Snow Expected3 June
Next Snow Amount2in
Next 48 Hours-
Next 7 Days-
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Long-range Snow Outlook for Chamonix

 
Snowfall

 
Snow Line

Max 78°F
Min 48°F

Snow unlikely

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

Clear sky.

Max 74°F
Min 48°F
Sun
24
Clear

Clear sky.

Max 76°F
Min 50°F
Mon
25
Fair

Fair.

Max 77°F
Min 53°F
Tue
26
Clear

Clear sky.

Max 78°F
Min 53°F
Wed
27
Clear

Clear sky.

Max 77°F
Min 53°F
Thu
28
Fair

Clear sky at altitude, fair below.

Max 76°F
Min 51°F
Fri
29
Clear

Clear sky.

Max 76°F
Min 51°F

This Snow Forecast for Chamonix, 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, 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 Snow Forecast updated at 06:40 PDT, next update expected 09:00 PDT.

Ensemble forecast for Chamonix, France at 3,412ft

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Snow Reliability

Chamonix typically enjoys reliable snowfall, with an average snow depth of 80-200 cm throughout the season. For the latest snow conditions, be sure to check J2Ski for up-to-date information.

Off-Piste Safety in Chamonix

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