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Grand Massif Snow Forecast - 21st October 2026

Grand Massif Snow Report and Forecast

ECMWF IFS
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Updated 21 October 2026 01:44 BST

Snow Forecast for Grand Massif

Snow and Weather from 21 October.

For Forecast detail, see below.

Grand Massif Snow Forecast Highlights

When will there be fresh snow in Grand Massif?

Grand Massif Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,600m)
Next Snow Expected23 October
Next Snow Amount 1cm -
Next 48 Hours 2cm 1in
Next 7 Days 9cm 4in
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Forecast for today in Grand Massif

Max 11℃ 52°F
Min 6℃ 43°F

Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 11℃ 52°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
21

up to 9cm up to 4in New Snow

Lt RainShwrsDrizzleShwrs

Light rain first, rain showers then drizzle, rain showers later.

Snow Line from 2,162m 7,093ft to 1,408m 4,619ft , with rain below.

Forecast times for Grand Massif are in Paris (Europe/Paris) time zone.

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Grand Massif 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Grand Massif from OpenMeteo(ECMWF IFS)
Wed
21
Thu
22
Fri
23
Sat
24
Sun
25
Mon
26
Tue
27
Wind
2,500m 8,202ft
1℃ 34°F
Light Snow
+9cm +4in
-1℃ 30°F
Clear
+1cm
1℃ 33°F
Lt Snow Shwrs
+7cm +3in
-6℃ 21°F
Snow
+8cm +3in
-1℃ 30°F
Snow
+14cm +6in
2℃ 35°F
Cloud
6℃ 43°F
Clear
1,600m 5,249ft
5℃ 42°F
Light Snow
+1cm
7℃ 45°F
Clear
7℃ 45°F
Light Snow
+1cm
1℃ 33°F
Snow
+4cm +2in
5℃ 41°F
Lt Snow Shwrs
+3cm +1in
8℃ 46°F
Cloud
13℃ 54°F
Clear
700m 2,297ft
11℃ 52°F
Drizzle
13℃ 55°F
Clear
13℃ 55°F
Lt Drizzle
6℃ 44°F
Light Snow
11℃ 52°F
Lt Rain
14℃ 57°F
Cloud
18℃ 65°F
Clear
Snow Line

varying 2,162m 7,093ft
to 1,408m 4,619ft

varying 1,423m 4,669ft
to 1,269m 4,163ft

varying 2,177m 7,142ft
to 1,269m 4,163ft

varying 1,454m 4,770ft
to 992m 3,255ft

varying 2,146m 7,041ft
to 1,238m 4,062ft

Max Town 11℃ 52°F 13℃ 55°F 13℃ 55°F 6℃ 44°F 11℃ 52°F 14℃ 57°F 18℃ 65°F
Min Town 6℃ 43°F 4℃ 40°F 5℃ 41°F 3℃ 38°F 5℃ 41°F 5℃ 41°F 8℃ 46°F

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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Snow Forecast near Grand Massif

Snow Forecasts for Ski Resorts near Grand Massif
Ski Area 48 Hr 7 DayWeThFrSaSuMoTu
La Clusaz 16cm 6in 45cm 18in
Les Arcs 15cm 6in 41cm 16in
Les Carroz 20cm 8in 41cm 16in
Chamonix 26cm 10in 40cm 16in
Morzine 16cm 6in 39cm 15in
Samoëns 17cm 7in 37cm 15in
Morillon 18cm 7in 36cm 14in
Flaine 20cm 8in 33cm 13in

How reliable is the snow in Grand Massif?

Grand Massif typically enjoys a reliable snow depth, with consistent snowfall throughout the season. For the latest snow conditions and updates, be sure to check J2Ski for accurate and timely information.

Understanding and predicting Snow Conditions in Grand Massif

Here are our tips for making the most of a trip to Grand Massif, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Grand Massif, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Grand Massif is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Grand Massif will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Grand Massif for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.