J2Ski J2Ski logo
Facebook

Grand Massif Snow Forecast - 21st August 2026

Grand Massif Snow Report and Forecast

ECMWF IFS
GFS

PROSubscribe to Switch Weather Model

Updated 21 August 2026 13:46 BST

Snow Forecast for Grand Massif

Snow and Weather from 21 August.

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?
There is no snow currently in the forecast for Grand Massif.
Save on Ski Hire

Save up to 50% SkiSet

Forecast for today in Grand Massif

Max 18℃ 64°F
Min 14℃ 57°F

Valley temperatures from an overnight low of 14℃ 57°F to daytime highs around 18℃ 64°F

Temperature at BaseTemp at Base

Fri
21

Snow unlikely

CloudLt RainLt DrizzleLt Rain

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

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

Partner Offers

Grand Massif 7-Day Snow Forecast Overview

Get this snow forecast by e-mail

Summary Weather and Snow Forecast for Grand Massif from OpenMeteo(ECMWF IFS)
Fri
21
Sat
22
Sun
23
Mon
24
Tue
25
Wed
26
Thu
27
Wind
2,500m 8,202ft
7℃ 44°F
Lt Drizzle
8℃ 47°F
Clear
12℃ 54°F
Clear
16℃ 61°F
Clear
14℃ 57°F
Clear
17℃ 62°F
Fair
10℃ 51°F
Lt Drizzle
1,600m 5,249ft
12℃ 54°F
Lt Drizzle
14℃ 56°F
Fair
16℃ 62°F
Clear
20℃ 68°F
Clear
20℃ 68°F
Clear
22℃ 71°F
Fair
15℃ 59°F
Lt Drizzle
700m 2,297ft
18℃ 64°F
Lt Drizzle
19℃ 67°F
Fair
22℃ 72°F
Clear
26℃ 79°F
Clear
26℃ 78°F
Clear
27℃ 81°F
Fair
21℃ 70°F
Lt Drizzle
Snow Line
Max Town 18℃ 64°F 19℃ 67°F 22℃ 72°F 26℃ 79°F 26℃ 78°F 27℃ 81°F 21℃ 70°F
Min Town 14℃ 57°F 12℃ 53°F 12℃ 53°F 15℃ 58°F 16℃ 61°F 16℃ 62°F 16℃ 62°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.

France Accommodation (Apartments, Chalets, Hotels) Map

 

Snow Forecast near Grand Massif

Snow Forecasts for Ski Resorts near Grand Massif
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Chamonix 30cm 12in 43cm 17in
Les Arcs 2cm 1in 2cm 1in

Snow Reliability

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.