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Chamonix Sud Snow Forecast - 31st March 2026

Chamonix Sud Snow Report and Forecast

ECMWF IFS
GFS

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Updated 31 March 2026 12:45 UTC

Snow Forecast for Chamonix Sud

Snow and Weather from 31 March.

For Forecast detail, see below.

Avalanche Risk

2Avalanche Risk Level 2

Moderate

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 (2,440m)
Next Snow Expected31 March
Next Snow Amount 1cm -
Next 48 Hours 1cm -
Next 7 Days 1cm -
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Forecast for today in Chamonix Sud

Max 3℃ 37°F
Min -3℃ 26°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ 26°F and rising to 3℃ 37°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
31

2cm 1in New Snow

Light SnowMixedFairCloud

Light snow first, clear spells then fair, cloudy later.

Snow falling to resort level ( 1,040m 3,412ft ).

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

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Chamonix Sud 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Chamonix Sud from OpenMeteo(ECMWF IFS)
Tue
31
Wed
01
Thu
02
Fri
03
Sat
04
Sun
05
Mon
06
Wind
3,840m 12,598ft
-17℃ 1°F
Cloud
+2cm +1in
-14℃ 6°F
Clear
-11℃ 12°F
Clear
-10℃ 14°F
Clear
-6℃ 21°F
Clear
-4℃ 25°F
Clear
-3℃ 26°F
Clear
2,440m 8,005ft
-8℃ 18°F
Cloud
+1cm
-5℃ 23°F
Clear
-3℃ 27°F
Clear
-2℃ 29°F
Clear
3℃ 37°F
Clear
5℃ 40°F
Clear
5℃ 41°F
Clear
1,040m 3,412ft
3℃ 37°F
Lt Snow Shwrs
+2cm +1in
4℃ 39°F
Clear
6℃ 43°F
Clear
7℃ 45°F
Clear
10℃ 50°F
Clear
15℃ 59°F
Cloud
16℃ 60°F
Clear
Snow Line

1,040m 3,412ft

Max Town 3℃ 37°F 4℃ 39°F 6℃ 43°F 7℃ 45°F 10℃ 50°F 15℃ 59°F 16℃ 60°F
Min Town -3℃ 26°F -9℃ 16°F -9℃ 16°F -8℃ 18°F -4℃ 25°F 1℃ 33°F 1℃ 34°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.

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Snow Forecast near Chamonix Sud

Snow Forecasts for Ski Resorts near Chamonix Sud
Ski Area 48 Hr 7 DayTuWeThFrSaSuMo
Les Gets 6cm 2in 6cm 2in
Morzine 6cm 2in 6cm 2in
Avoriaz 5cm 2in 5cm 2in
Chamonix 2cm 1in 2cm 1in
Flaine 2cm 1in 2cm 1in
La Flégère 2cm 1in 2cm 1in
Les Arcs 2cm 1in 2cm 1in
Les Houches 1cm - 1cm -

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.

Understanding and predicting Snow Conditions in Chamonix Sud

Here are our tips for making the most of a trip to Chamonix Sud, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Chamonix Sud, 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 Sud 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 Sud 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 Sud 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.