Chamonix Sud 7-Day Snow Forecast

Chamonix Sud Snow Forecast - 7 day

ECMWF IFS

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Updated 12 May 2026 14:45 CDT

7-Day Snow Forecast for Chamonix Sud

1-week from 12 May.

For Forecast detail, see below.

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 Expected	12 May
Next Snow Amount	8cm
Next 48 Hours	22cm
Next 7 Days	28cm
Find a Ski Instructor	Book Lessons

7-Day Snow Outlook for Chamonix Sud

Snowfall

Snow Line

Max 13℃
Min -1℃

30cm New Snow

Snow Line from 2,763m 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 10℃
Min 3℃

Valley temperatures from an overnight low of 3℃ to daytime highs around 10℃

Temperature at BaseTemp at Base

Snowfall

Snow Line

Tue
12

up to 8cm New Snow

Clear spells first, light snow at altitude then clear spells, cloudy later.

Snow Line from 1,655m to 1,255m, with rain below.

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

Max 12℃
Min 4℃

Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Snowfall

Snow Line

Wed
13

Snow unlikely

Cloudy, clear spells, light snow at altitude later.

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

Max 6℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 6℃

Temperature at BaseTemp at Base

Snowfall

Snow Line

Thu
14

2cm to 13cm New Snow

Clear spells, light snow at altitude, snow showers later.

Snow Line from 1,686m to resort level (1,040m).

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

Max 5℃
Min -1℃

Valley temperatures from an overnight low of -1℃ to daytime highs around 5℃

Temperature at BaseTemp at Base

Snowfall

Snow Line

Fri
15

3cm to 6cm New Snow

Light snow first, cloudy then light snow at altitude, clear spells later.

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

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

Max 8℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 8℃

Temperature at BaseTemp at Base

Snowfall

Snow Line

Sat
16

up to 1cm New Snow

Clear spells, light drizzle, clear spells later.

Snow Line from 1,963m to 1,302m, with rain below.

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

Max 12℃
Min 2℃

Valley temperatures from an overnight low of 2℃ to daytime highs around 12℃

Temperature at BaseTemp at Base

Sun
17

Snow unlikely

Clear spells, cloudy, clear spells later.

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

Max 13℃
Min 1℃

Valley temperatures from an overnight low of 1℃ to daytime highs around 13℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Snowfall

Snow Line

Mon
18

up to 2cm New Snow

Fair first, light rain showers then light drizzle, light rain showers later.

Snow Line from 2,763m to 2,255m, with rain below.

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 14:45 CDT, next update expected 20:00 CDT.

Snow Forecast near Chamonix Sud

Snow Forecasts for Ski Resorts near Chamonix Sud
Ski Area	48 Hr	7 Day
Avoriaz	24cm	34cm
Chamonix	22cm	30cm
Flaine	21cm	27cm
Morzine	19cm	27cm
Les Gets	19cm	26cm
La Flégère	19cm	25cm
Les Houches	20cm	24cm
La Clusaz	15cm	23cm

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.