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Chamonix Snow Forecast - 21st April 2026

Chamonix Snow Report and Forecast

ECMWF IFS
GFS
ICON

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Updated 21 April 2026 12:42 PDT

Snow Forecast for Chamonix

Snow and Weather from 21 April.

For Forecast detail, see below.

Avalanche Risk

2Avalanche Risk Level 2

Moderate

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?
There is no snow currently in the forecast for Chamonix.
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Forecast for today in Chamonix

Max 51°F
Min 33°F

Valley temperatures from an overnight low of 33°F to daytime highs around 51°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Tue
21

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Chamonix are in Paris (Europe/Paris) time zone.

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Chamonix 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Chamonix from OpenMeteo(ECMWF IFS)
Tue
21
Wed
22
Thu
23
Fri
24
Sat
25
Sun
26
Mon
27
Wind
12,598ft
20°F
Clear
22°F
Clear
24°F
Clear
25°F
Clear
25°F
Clear
26°F
Clear
26°F
Clear
7,989ft
36°F
Clear
38°F
Clear
40°F
Clear
41°F
Clear
41°F
Clear
43°F
Clear
43°F
Clear
3,379ft
51°F
Clear
53°F
Clear
54°F
Clear
64°F
Clear
65°F
Clear
67°F
Fair
63°F
Clear
Snow Line
Max Town51°F53°F54°F64°F65°F67°F63°F
Min Town33°F29°F31°F34°F38°F36°F41°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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.

Understanding and predicting Snow Conditions in Chamonix

Here are our tips for making the most of a trip to Chamonix, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Chamonix is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Chamonix will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Chamonix for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.

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