Chamonix Sud Snow Forecast - 7 day
Updated 21 October 2026 07:54 CDT
7-Day Snow Forecast for Chamonix Sud
1-week from 21 October.
For Forecast detail, see below.
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Chamonix Sud 7-Day Snow Forecast Highlights
When will there be fresh snow in Chamonix Sud?
| Next Snow Expected | 21 October |
|---|---|
| Next Snow Amount | 13cm |
| Next 48 Hours | 27cm |
| Next 7 Days | 39cm |
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7-Day Snow Outlook for Chamonix Sud
Snowfall
Snow Line
Max 19℃
Min -1℃
59cm New Snow
Snow Line from 2,348m to resort level (1,040m).
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Powder Alert!
Powder Alarm issued 21 October 2026 13:50 CDT
Powder Possible :- 27cm of Fresh Snow is forecast for Chamonix Sud over the next 2 days.
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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 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 10℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
21
up to 20cm New Snow
Light rain showers, rain showers, snow showers at altitude later.
Snow Line from 2,348m to 1,409m, with rain below.
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 11℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 11℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
22
Snow unlikely
Fog first, clear sky then fair, fog later.
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 10℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 10℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
23
up to 14cm New Snow
Cloudy first, rain showers then drizzle, snow showers at altitude later.
Snow Line from 2,348m to 1,286m, with rain below.
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 6℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 6℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
24
up to 6cm New Snow
Light snow first, snow showers then cloudy, snow showers later.
Snow Line from 1,625m to resort level (1,040m).
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 10℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 10℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
25
up to 20cm New Snow
Light snow at altitude first, light drizzle then rain, light drizzle later.
Snow Line from 2,271m to resort level (1,040m).
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 15℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 15℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Mon
26
Snow unlikely
Cloudy first, clear sky then fair, clear sky later.
Forecast times for Chamonix Sud are in Paris (Europe/Paris) time zone.
Max 19℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 19℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Tue
27
Snow unlikely
Clear sky early, then fair later.
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 07:54 CDT, next update expected imminently.
Snow Forecast near Chamonix Sud
How reliable is the snow in Chamonix Sud?
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.