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Chamonix Sud 7-Day Snow Forecast - 20th March 2026

Chamonix Sud Snow Forecast - 7 day

ECMWF IFS
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Updated 21 March 2026 01:40 NZDT

7-Day Snow Forecast for Chamonix Sud

1-week from 20 March.

For Forecast detail, see below.

Avalanche Risk

2Avalanche Risk Level 2

Moderate

Chamonix Sud 7-Day 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 Expected22 March
Next Snow Amount5cm
Next 48 Hours5cm
Next 7 Days24cm
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7-Day Snow Outlook for Chamonix Sud

 
Snowfall

 
Snow Line

Max 9℃
Min -6℃

22cm New Snow

Snow Line from 1,825m to resort level (1,040m).

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Chamonix Sud Medium-Range (7-Day) Snow Forecast Detail

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.

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.

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.

Max 5℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
22

4cm to 8cm New Snow

CloudHvy SnowMixedLt Snow Shwrs

Cloudy first, heavy snow then clear spells, light snow showers at altitude later.

Snow Line from 1,625m to resort level (1,040m).

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

Max 7℃
Min -6℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ and rising to 7℃

Temperature at BaseTemp at Base

Mon
23

Snow unlikely

FairClearFairCloud

Fair first, clear sky then fair, cloudy later.

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

Max 8℃
Min -5℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -5℃ and rising to 8℃

Temperature at BaseTemp at Base

Tue
24

Snow unlikely

CloudCloudClearMixed

Cloudy, clear sky, clear spells later.

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

Max 7℃
Min -3℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 7℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

5cm to 9cm New Snow

ClearCloudSnowSnow

Clear sky, cloudy, heavy snow showers later.

Snow Line from 1,825m to resort level (1,040m).

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

Max 0℃
Min -4℃

Below freezing at all levels, with valley temperatures as low as -4℃ and not getting above 0℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
26

4cm to 6cm New Snow

Light SnowLight SnowLight SnowCloud

Light snow early, then cloudy later.

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

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

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.

Chamonix Sud Snow Forecast updated at 01:40 NZDT, next update expected 07:00 NZDT.

Snow Forecast near Chamonix Sud

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

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.