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Xonrupt-Longemer Snow Forecast - 18th May 2026

Xonrupt-Longemer Snow Report and Forecast

ECMWF IFS
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Updated 18 May 2026 05:43 PDT

Snow Forecast for Xonrupt-Longemer

Snow and Weather from 18 May.

For Forecast detail, see below.

Xonrupt-Longemer Snow Forecast Highlights

When will there be fresh snow in Xonrupt-Longemer?

Xonrupt-Longemer Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (3,330ft)
Next Snow?
There is no snow currently in the forecast for Xonrupt-Longemer.
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Forecast for today in Xonrupt-Longemer

Max 50°F
Min 41°F

Valley temperatures from an overnight low of 41°F to daytime highs around 50°F

Temperature at BaseTemp at Base

Mon
18

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleClear

Light drizzle early, then clear sky later.

Forecast times for Xonrupt-Longemer are in Paris (Europe/Paris) time zone.

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Xonrupt-Longemer 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Xonrupt-Longemer from OpenMeteo(ECMWF IFS)
Mon
18
Tue
19
Wed
20
Thu
21
Fri
22
Sat
23
Sun
24
WindSW F2SW F3
4,265ft
44°F
Shwrs
47°F
Lt Drizzle
52°F
Lt Drizzle
62°F
Cloud
67°F
Clear
69°F
Mixed
60°F
Drizzle
SW F2SW F3
3,330ft
47°F
Shwrs
50°F
Lt Drizzle
56°F
Lt Drizzle
65°F
Cloud
70°F
Clear
72°F
Mixed
64°F
Drizzle
SW F2SW F2SW F3
2,395ft
50°F
Lt Drizzle
53°F
Cloud
59°F
Lt Drizzle
67°F
Cloud
72°F
Clear
76°F
Mixed
68°F
Lt Drizzle
Snow Line
Max Town50°F53°F59°F67°F72°F76°F68°F
Min Town41°F40°F47°F47°F49°F55°F59°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 Reliability

Snow reliability in Xonrupt-Longemer typically features a depth of up to 1 meter during peak season, with regular snowfall ensuring great conditions. To stay updated on the latest snow information, check J2Ski for current reports.

Understanding and predicting Snow Conditions in Xonrupt-Longemer

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