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Aletsch Snow Forecast - 11th May 2026

Aletsch Snow Report and Forecast

ECMWF IFS
GFS

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Updated 11 May 2026 18:17 IST

Snow Forecast for Aletsch

Snow and Weather from 11 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 Expected12 May
Next Snow Amount6cm
Next 48 Hours6cm
Next 7 Days16cm
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Forecast for today in Aletsch

Max 11℃
Min 5℃

Valley temperatures from an overnight low of 5℃ to daytime highs around 11℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
11

up to 5cm New Snow

Lt DrizzleCloudMixedLt Drizzle

Light drizzle first, cloudy then clear spells, light drizzle later.

Snow Line from 2,373m to 1,635m, with rain below.

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)
Mon
11		Tue
12		Wed
13		Thu
14		Fri
15		Sat
16		Sun
17
Wind
2,900m
-1℃
Light Snow
+5cm
-5℃
Lt Snow Shwrs
+6cm
-2℃
Clear
-5℃
Fair
+1cm
-4℃
Snow
+4cm
-5℃
Light Snow
+7cm
-1℃
Cloud
1,975m
5℃
Light Snow
+1cm
1℃
Lt Snow Shwrs
+6cm
4℃
Clear
1℃
Fair
2℃
Snow
+3cm
1℃
Light Snow
+7cm
5℃
Cloud
1,050m
11℃
Cloud
8℃
Mixed
12℃
Mixed
9℃
Cloud
9℃
Light Snow
7℃
Mixed
12℃
Cloud
Snow Line

varying 2,373m
to 1,635m

varying 1,665m
to 1,558m

varying 2,158m
to 1,635m

varying 2,219m
to 1,050m

varying 1,942m
to 1,404m

Max Town11℃8℃12℃9℃9℃7℃12℃
Min Town5℃2℃1℃-1℃-2℃4℃3℃

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 DayMoTuWeThFrSaSu
Grindelwald28cm 67cm
Interlaken25cm 65cm
Adelboden18cm 49cm
Kandersteg11cm 49cm
Wengen14cm 23cm
Fiescheralp19cm 23cm
Saas-Fee10cm 16cm
Bettmeralp11cm 14cm

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.