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Chamonix Sud Snow Forecast - 48 hour - 20th March 2026

Chamonix Sud 48-Hour Snow Forecast

ECMWF IFS
GFS

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Updated 20 March 2026 07:40 CDT

Avalanche Risk

2Avalanche Risk Level 2

Moderate

The overall Avalanche Risk Level in Chamonix was reported as Moderate (Level 2): ALWAYS check local advice before leaving marked runs.

2-Day Forecast for Chamonix Sud

48-hours from 20 March.

See below for forecast detail

Chamonix Sud Snow Forecast updated at 07:40 CDT, next update expected imminently.

Forecast for today in Chamonix Sud

Max 9℃
Min -3℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 9℃

Temperature at BaseTemp at Base

Fri
20

Snow unlikely

ClearClearCloudCloud

Clear sky early, then cloudy later.

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

Forecast for tomorrow in Chamonix Sud

Max 8℃
Min -3℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 8℃

Temperature at BaseTemp at Base

Sat
21

Snow unlikely

MixedClearCloudCloud

Clear spells, clear sky, cloudy later.

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

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48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Chamonix Sud from OpenMeteo(ECMWF IFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Fri01:00Clear

Clear sky.-1℃SW
Calm
0%
Fri02:00Clear

Clear sky.-2℃SW
Calm
0%
Fri03:00Clear

Clear sky.-2℃SW
Calm
0%
Fri04:00Clear

Clear sky.-2℃SW
Calm
0%
Fri05:00Clear

Clear sky.-2℃SW
Calm
0%
Fri06:00Clear

Clear sky.-3℃SW
Calm
0%
Fri07:00Clear

Clear sky.-3℃SW
Calm
0%
Fri08:00Clear

Clear sky.-1℃SW
Calm
0%
Fri09:00Clear

Clear sky.4℃SW
Calm
0%
Fri10:00Fair

Fair.6℃SW
Calm
0%
Fri11:00Clear

Fair at altitude.
Clear below.
7℃SW
Light
0%
Fri12:00Clear

Clear sky.7℃SW
Light
0%
Fri13:00Fair

Fair.8℃SW
Light
0%
Fri14:00Mixed

Fair at altitude.
Mixed below.
8℃SW
Light
0%
Fri15:00Cloud

Fair at altitude.
Cloud below.
9℃SW
Light
0%
Fri16:00Cloud

Fair at altitude.
Cloud below.
8℃SW
Light
0%
Fri17:00Cloud

Cloudy.7℃SW
Light
0%
Fri18:00Fair

Fair.6℃SW
Calm
0%
Fri19:00Fair

Fair.4℃SW
Calm
0%
Fri20:00Fair

Clear spells at altitude.
Fair below.
3℃SW
Calm
0%
Fri21:00Cloud

Cloudy.3℃SW
Calm
0%
Fri22:00Mixed

Cloudy at altitude.
Mixed below.
1℃SW
Calm
0%
Fri23:00Cloud

Cloudy.0℃SW
Calm
0%
Sat00:00Cloud

Cloudy.-1℃SW
Calm
0%
Sat01:00Mixed

Cloudy at altitude.
Mixed below.
-2℃SW
Calm
0%
Sat02:00Mixed

Clear spells.-2℃SW
Calm
0%
Sat03:00Mixed

Clear spells.-2℃SW
Calm
0%
Sat04:00Fair

Clear sky at altitude.
Fair below.
-2℃SW
Calm
0%
Sat05:00Clear

Clear sky.-2℃SW
Calm
0%
Sat06:00Clear

Clear sky.-3℃SW
Calm
0%
Sat07:00Clear

Clear sky.-3℃SW
Calm
0%
Sat08:00Clear

Fair at altitude.
Clear below.
-1℃SW
Calm
0%
Sat09:00Clear

Clear sky.4℃SW
Calm
0%
Sat10:00Clear

Clear sky.5℃SW
Light
0%
Sat11:00Clear

Clear sky.6℃SW
Light
0%
Sat12:00Mixed

Clear sky at altitude.
Mixed below.
7℃SW
Light
0%
Sat13:00Cloud

Fair at altitude.
Cloud below.
8℃SW
Light
0%
Sat14:00Cloud

Cloudy.8℃SW
Light
0%
Sat15:00Cloud

Cloudy.7℃SW
Light
0%
Sat16:00Mixed

Clear spells.7℃SW
Light
0%
Sat17:00Mixed

Clear spells.7℃SW
Light
0%
Sat18:00Clear

Clear spells.6℃SW
Light
5%
Sat19:00Clear

Clear spells.4℃SW
Calm
5%
Sat20:00Clear

Cloudy at altitude.
Clear below.
4℃SW
Calm
5%
Sat21:00Mixed

Cloudy at altitude.
Mixed below.
3℃SW
Calm
0%
Sat22:00Cloud

Cloudy.2℃SW
Calm
0%
Sat23:00Cloud

Cloudy.2℃SW
Calm
0%
Sun00:00Cloud

Cloudy.1℃SE
Calm
0%

Snow Forecast near Chamonix Sud

Snow forecasts for nearby ski areas.

Snow Forecasts for Ski Resorts near Chamonix Sud
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
La Flégère4cm 29cm
Chamonix8cm 28cm
Flaine6cm 27cm
Avoriaz5cm 26cm
Les Gets4cm 26cm
Morzine4cm 26cm
Les Houches6cm 25cm
La Clusaz3cm 20cm
Les Arcs3cm 17cm

Chamonix Sud Snow

For current snow depths and skiing conditions, see our Current Snow Report for Chamonix Sud.

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 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.

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.