Aletsch 7-Day Snow Forecast

Aletsch Snow Report and Forecast

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Updated 21 April 2026 13:14 IST

Snow Forecast for Aletsch

Snow and Weather from 21 April.

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 12℃
Min -4℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ and rising to 12℃

Temperature at BaseTemp at Base

Tue
21

Snow unlikely

Cloudy first, fair then clear sky, fair 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)
	Tue 21	Wed 22	Thu 23	Fri 24	Sat 25	Sun 26	Mon 27
Wind
2,900m	-1℃	-1℃	2℃	4℃	4℃	4℃	0℃

1,975m	5℃	5℃	8℃	10℃	10℃	10℃	6℃

1,050m	12℃	10℃	13℃	14℃	15℃	16℃	11℃
Snow Line
Max Town	12℃	10℃	13℃	14℃	15℃	16℃	11℃
Min Town	-4℃	-3℃	-2℃	2℃	2℃	1℃	1℃

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 Day
San Domenico	2cm	2cm
Grindelwald	1cm	1cm
Interlaken	1cm	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.