Chamonix Sud Long-Range Snow Forecast - 21^st October 2026

Long-range Snow Outlook for Chamonix Sud

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.

Chamonix Sud Long-Range (2 weeks+) Snow Forecast Outlook

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.

16 Day Weather and Snow Forecast for Chamonix Sud from OpenMeteo(ECMWF IFS)

	Base	Snow and Weather	Temp Town
Wed 21		up to 20cm New Snow Snow showers at altitude, rain showers below. Snow Line from 2,348m to 1,409m, with rain below.	Max 10℃ Min 4℃
Thu 22		Fog at altitude, fair below.	Max 11℃ Min -1℃
Fri 23		up to 14cm New Snow Snow showers at altitude, rain showers below. Snow Line from 2,348m to 1,286m, with rain below.	Max 10℃ Min 1℃
Sat 24		up to 6cm New Snow Snow showers at altitude, light rain below. Snow Line from 1,625m to resort level (1,040m).	Max 6℃ Min 0℃
Sun 25		up to 20cm New Snow Light snow. Snow Line from 2,271m to resort level (1,040m).	Max 10℃ Min 1℃
Mon 26		Clear sky.	Max 15℃ Min 2℃
Tue 27		Clear sky.	Max 19℃ Min 6℃

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.