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Aletsch Long-Range Snow Forecast - 20th March 2026

Aletsch Long-Range Snow Forecast Updated today

ECMWF IFS
GFS

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Updated 20 March 2026 13:45 CDT

Long-Range Snow Forecast for Aletsch

Long-range (14 to 45 days) from 20 March.

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 Expected22 March
Next Snow Amount4cm
Next 48 Hours4cm
Next 7 Days18cm
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Long-range Snow Outlook for Aletsch

 
Snowfall

 
Snow Line

Max 10℃
Min -9℃

15cm New Snow

Snow Line from 1,742m to resort level (1,050m).

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Aletsch Long-Range (2 weeks+) Snow Forecast Outlook

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

16 Day Weather and Snow Forecast for Aletsch from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Fri
20
Clear

Clear sky.

Max 10℃
Min -7℃
Sat
21
Cloud

up to 1cm New Snow
Cloudy.
Snow Line from 1,696m to 1,265m, with rain below.

Max 8℃
Min -6℃
Sun
22
Snow

1cm to 4cm New Snow
Heavy snow showers.
Snow Line from 1,404m to resort level (1,050m).

Max 5℃
Min -5℃
Mon
23
Cloud

Clear sky at altitude, cloudy below.

Max 8℃
Min -9℃
Tue
24
Mixed

Cloudy at altitude, clear spells below.

Max 10℃
Min -9℃
Wed
25
Lt Snow Shwrs

up to 2cm New Snow
Light snow showers.
Snow Line from 1,742m to resort level (1,050m).

Max 8℃
Min -4℃
Thu
26
Snow

6cm to 8cm New Snow
Heavy snow showers.
Snow falling to resort level (1,050m).

Max 0℃
Min -6℃

This Snow Forecast for Aletsch, Switzerland gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Aletsch, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Aletsch Snow Forecast updated at 13:45 CDT, next update expected 19:00 CDT.

Ensemble forecast for Aletsch, Switzerland at 1,050m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Snow Forecast near Aletsch

Snow Forecasts for Ski Resorts near Aletsch
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Interlaken3cm 54cm
Grindelwald2cm 52cm
Wengen3cm 47cm
Adelboden2cm 45cm
Kandersteg2cm 44cm
Fiescheralp5cm 40cm
Riederalp5cm 28cm
Bettmeralp4cm 27cm

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.

Off-Piste Safety in Aletsch

Before skiing or snowboarding off-piste in Aletsch, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.