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The Three Valleys Snow Forecast - 20th August 2026

The Three Valleys Snow Report and Forecast

ECMWF IFS
GFS
ICON

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Updated 19 August 2026 19:43 CDT

Snow Forecast for The Three Valleys

Snow and Weather from 20 August.

For Forecast detail, see below.

The Three Valleys Snow Forecast Highlights

When will there be fresh snow in The Three Valleys?

The Three Valleys Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,150m)
Next Snow?
There is no snow currently in the forecast for The Three Valleys.
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Forecast for today in The Three Valleys

Max 22℃
Min 16℃

Valley temperatures from an overnight low of 16℃ to daytime highs around 22℃

Temperature at BaseTemp at Base

Thu
20

Snow unlikely

Lt DrizzleDrizzleLt DrizzleShwrs

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

Forecast times for The Three Valleys are in Paris (Europe/Paris) time zone.

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The Three Valleys 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for The Three Valleys from OpenMeteo(ECMWF IFS)
Thu
20		Fri
21		Sat
22		Sun
23		Mon
24		Tue
25		Wed
26
Wind
3,200m
10℃
Lt Drizzle
4℃
Light Snow
7℃
Clear
11℃
Clear
12℃
Shwrs
10℃
Shwrs
15℃
Clear
2,150m
17℃
Lt Drizzle
11℃
Drizzle
14℃
Clear
18℃
Clear
19℃
Shwrs
17℃
Shwrs
22℃
Clear
1,100m
22℃
Lt Drizzle
16℃
Lt Drizzle
20℃
Mixed
24℃
Clear
27℃
Clear
24℃
Fair
27℃
Clear
Snow Line

varying 2,762m
to 2,731m

Max Town22℃16℃20℃24℃27℃24℃27℃
Min Town16℃12℃10℃10℃12℃13℃13℃

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.

Snow Forecast near The Three Valleys

Snow Forecasts for Ski Resorts near The Three Valleys
Ski Area 48 Hr 7 DayThFrSaSuMoTuWe
Tignes2cm 2cm
Val d'Isère2cm 2cm
La Plagne1cm 1cm
Les Arcs1cm 1cm

Snow Reliability

The Three Valleys boasts excellent snow reliability, with an average snow depth of 200 cm and consistent snowfall throughout the season. For the latest snow conditions, check J2Ski for up-to-date information.

Understanding and predicting Snow Conditions in The Three Valleys

Here are our tips for making the most of a trip to The Three Valleys, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in The Three Valleys, 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 The Three Valleys 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 The Three Valleys 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 The Three Valleys 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.