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Aletsch Snow Forecast - 29th May 2026

Aletsch Snow Report and Forecast

ECMWF IFS
GFS

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Updated 29 May 2026 22:54 AEST

Snow Forecast for Aletsch

Snow and Weather from 29 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 Expected8 June
Next Snow Amount1cm
Next 48 Hours-
Next 7 Days-
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Forecast for today in Aletsch

Max 26℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 26℃
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Fri
29

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky 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)
Fri
29
Sat
30
Sun
31
Mon
01
Tue
02
Wed
03
Thu
04
Wind
2,900m
13℃
Clear
14℃
Cloud
13℃
Fair
10℃
Cloud
7℃
Cloud
4℃
Light Snow
+1cm
5℃
Lt Drizzle
1,975m
19℃
Clear
20℃
Cloud
19℃
Fair
16℃
Cloud
13℃
Cloud
10℃
Lt Drizzle
11℃
Lt Drizzle
1,050m
26℃
Clear
27℃
Cloud
25℃
Fair
23℃
Cloud
19℃
Lt Drizzle
17℃
Lt Drizzle
17℃
Drizzle
Snow Line

varying 2,712m
to 2,404m

Max Town26℃27℃25℃23℃19℃17℃17℃
Min Town7℃8℃9℃13℃13℃10℃4℃

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 DayFrSaSuMoTuWeTh
Grindelwald1cm 17cm
Saas-Fee1cm 12cm
Fiescheralp-9cm
Interlaken-4cm
Riederalp-3cm
Bettmeralp-1cm

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.