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St François Longchamp Snow Forecast - 17th May 2026

St François Longchamp Snow Report and Forecast

ECMWF IFS
GFS

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Updated 16 May 2026 16:48 CDT

Snow Forecast for St François Longchamp

Snow and Weather from 17 May.

For Forecast detail, see below.

St François Longchamp Snow Forecast Highlights

When will there be fresh snow in St François Longchamp?

St François Longchamp Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (2,000m)
Next Snow Expected18 May
Next Snow Amount4cm
Next 48 Hours5cm
Next 7 Days5cm
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Forecast for today in St François Longchamp

Max 7℃
Min -10℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -10℃ and rising to 7℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
17

up to 1cm New Snow

MixedMixedFairSnow

Clear spells, fair, snow showers later.

Snow Line from 1,881m to resort level (1,450m).

Forecast times for St François Longchamp are in Paris (Europe/Paris) time zone.

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St François Longchamp 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for St François Longchamp from OpenMeteo(ECMWF IFS)
Sun
17		Mon
18		Tue
19		Wed
20		Thu
21		Fri
22		Sat
23
Wind
2,550m
0℃
Mixed
+1cm
0℃
Light Snow
+7cm
2℃
Cloud
8℃
Fair
10℃
Clear
11℃
Clear
13℃
Clear
2,000m
3℃
Mixed
4℃
Light Snow
+4cm
6℃
Cloud
11℃
Fair
13℃
Clear
15℃
Clear
17℃
Clear
1,450m
7℃
Mixed
7℃
Light Snow
9℃
Cloud
14℃
Fair
16℃
Clear
18℃
Clear
20℃
Clear
Snow Line

varying 1,881m
to 1,450m

varying 2,235m
to 1,450m

varying 1,527m
to 1,465m

Max Town7℃7℃9℃14℃16℃18℃20℃
Min Town-10℃-1℃2℃4℃-1℃1℃8℃

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 St François Longchamp

Snow Forecasts for Ski Resorts near St François Longchamp
Ski Area 48 Hr 7 DaySuMoTuWeThFrSa
Les Arcs9cm 9cm
Les Carroz3cm 3cm
Valmorel4cm 4cm
Courchevel3cm 3cm
Les Menuires3cm 3cm
Val Thorens3cm 3cm
Doucy-Combelouvière2cm 2cm
La Tania2cm 2cm

Snow Reliability

The resort typically enjoys 150-200 cm of snow depth, with consistent snowfall from December to April. For the latest snow reports, be sure to check J2Ski for up-to-date information.

Understanding and predicting Snow Conditions in St François Longchamp

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