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Aletsch Snow Forecast - 31st May 2026

Aletsch Snow Report and Forecast

ECMWF IFS
GFS

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Updated 31 May 2026 13:41 BST

Snow Forecast for Aletsch

Snow and Weather from 31 May.

For Forecast detail, see below.

Aletsch Snow Forecast Highlights

When will there be fresh snow in Aletsch?

Aletsch Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,975m)
Next Snow?
There is no snow currently in the forecast for Aletsch.
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Forecast for today in Aletsch

Max 26℃ 79°F
Min 14℃ 57°F

Valley temperatures from an overnight low of 14℃ 57°F to daytime highs around 26℃ 79°F

Temperature at BaseTemp at Base

Sun
31

Snow unlikely

FairMixedLt DrizzleLt Drizzle

Fair, clear spells, light drizzle later.

Forecast times for Aletsch are in Zurich (Europe/Zurich) time zone.

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Aletsch 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Aletsch from OpenMeteo(ECMWF IFS)
Sun
31
Mon
01
Tue
02
Wed
03
Thu
04
Fri
05
Sat
06
Wind
2,900m 9,514ft
13℃ 56°F
Shwrs
11℃ 51°F
Mixed
7℃ 45°F
Light Snow
5℃ 41°F
Fair
+1cm
9℃ 48°F
Mixed
6℃ 43°F
Clear
+1cm
7℃ 44°F
Mixed
1,975m 6,480ft
19℃ 67°F
Shwrs
17℃ 62°F
Mixed
13℃ 56°F
Lt Drizzle
11℃ 52°F
Fair
15℃ 59°F
Mixed
12℃ 54°F
Clear
13℃ 54°F
Mixed
1,050m 3,445ft
26℃ 79°F
Shwrs
24℃ 74°F
Lt Drizzle
19℃ 65°F
Shwrs
19℃ 66°F
Lt Drizzle
21℃ 70°F
Mixed
19℃ 67°F
Mixed
20℃ 67°F
Cloud
Snow Line

varying 2,573m 8,442ft
to 2,419m 7,936ft

varying 2,388m 7,835ft
to 2,219m 7,280ft

varying 2,835m 9,301ft
to 2,327m 7,635ft

Max Town 26℃ 79°F 24℃ 74°F 19℃ 65°F 19℃ 66°F 21℃ 70°F 19℃ 67°F 20℃ 67°F
Min Town 14℃ 57°F 13℃ 55°F 10℃ 51°F 9℃ 48°F 5℃ 40°F 10℃ 50°F 11℃ 51°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.

Snow Forecast near Aletsch

Snow Forecasts for Ski Resorts near Aletsch
Ski Area 48 Hr 7 DaySuMoTuWeThFrSa
Grindelwald 5cm 2in 14cm 6in
Interlaken- 14cm 6in
Saas-Fee 3cm 1in 9cm 3in
Fiescheralp 1cm - 3cm 1in
Adelboden- 2cm 1in
Bettmeralp- 1cm -
Riederalp 1cm - 1cm 1in

Snow Reliability

Aletsch enjoys reliable snow conditions with average snow depths reaching up to 3 meters during peak season. Regular snowfall throughout the winter months helps maintain excellent skiing conditions, and for the latest updates, check J2Ski for real-time snow information.

Understanding and predicting Snow Conditions in Aletsch

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