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Aletsch Snow Forecast - 20th May 2025

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Aletsch Snow Report and Forecast

Snow Forecast for Aletsch

When will there be fresh snow?

This is the Snow Forecast for Aletsch, Switzerland for 16 days from 20 May.

Updated 20 May 2025 10:32 UTC.

Aletsch Snow Forecast Highlights
Next Snow?
There is no snow currently in the forecast for Aletsch.
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For Forecast detail, see below.

For current snow depths and skiing conditions, see our Current Snow Report for Aletsch.

Forecast for today in Aletsch

Max 17℃ 63°F
Min 10℃ 50°F

Valley temperatures from an overnight low of 10℃ 50°F to daytime highs around 17℃ 63°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Tue
20

Snow unlikely

CloudCloudCloudShwrs

Cloudy early, then rain showers later.

Aletsch has very light new snow forecast in the next 48 hours.

Aletsch Snow Report

Snow report from Saas-Fee (near Aletsch)

Saas-Fee Snow Depths and Conditions.
Upper Snow Depths 376cm 148in
Lower Snow Depths 11cm 4in
Snow ConditionsNot Known

Aletsch 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Aletsch from OpenMeteo
Tue
20
Wed
21
Thu
22
Fri
23
Sat
24
Sun
25
Mon
26
WindS F2NW F3NW F2
2,900m 9,514ft
5℃ 42°F
Cloud
4℃ 39°F
Cloud
-1℃ 31°F
Lt Snow Shwrs
1℃ 33°F
Mixed
2℃ 36°F
Mixed
0℃ 32°F
Light Snow
2℃ 36°F
Lt Snow Shwrs
W F2
1,975m 6,480ft
10℃ 51°F
Shwrs
8℃ 45°F
Lt Rain
5℃ 41°F
Light Snow
7℃ 44°F
Mixed
8℃ 47°F
Mixed
8℃ 46°F
Cloud
12℃ 53°F
Cloud
1,050m 3,445ft
17℃ 63°F
Cloud
14℃ 57°F
Cloud
11℃ 53°F
Cloud
13℃ 55°F
Mixed
15℃ 58°F
Mixed
16℃ 60°F
Cloud
15℃ 58°F
Lt Rain
Snow Line

varying 2,119m 6,952ft
to 1,979m 6,493ft

varying 1,829m 6,001ft
to 1,819m 5,968ft

varying 2,659m 8,724ft
to 2,599m 8,527ft

varying 2,599m 8,527ft
to 2,479m 8,133ft

Max Town 17℃ 63°F 14℃ 57°F 11℃ 53°F 13℃ 55°F 15℃ 58°F 16℃ 60°F 15℃ 58°F
Min Town 10℃ 50°F 9℃ 49°F 7℃ 44°F 5℃ 40°F 3℃ 37°F 6℃ 42°F 9℃ 49°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.

Aletsch Medium-Range (7-Day) Snow Forecast Detail

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.

Max 17℃ 63°F
Min 10℃ 50°F

Valley temperatures from an overnight low of 10℃ 50°F to daytime highs around 17℃ 63°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Tue
20

Snow unlikely

CloudCloudCloudShwrs

Cloudy early, then rain showers later.

Max 14℃ 57°F
Min 9℃ 49°F

Valley temperatures from an overnight low of 9℃ 49°F to daytime highs around 14℃ 57°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Wed
21

Snow unlikely

FogCloudShwrsCloud

Fog first, cloudy then rain showers, cloudy later.

Max 11℃ 53°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 11℃ 53°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Thu
22

Snow unlikely

ShwrsShwrsCloudLt Rain

Rain showers, cloudy, light rain later.

Max 13℃ 55°F
Min 5℃ 40°F

Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 13℃ 55°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Fri
23

Snow unlikely

MixedMixedMixedClear

Clear spells early, then clear sky later.

Max 15℃ 58°F
Min 3℃ 37°F

Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 15℃ 58°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Sat
24

Snow unlikely

ClearMixedMixedMixed

Clear sky early, then clear spells later.

Max 16℃ 60°F
Min 6℃ 42°F

Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 16℃ 60°F

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Sun
25

Snow unlikely

CloudCloudCloudFair

Cloudy early, then fair later.

Max 15℃ 58°F
Min 9℃ 49°F

Valley temperatures from an overnight low of 9℃ 49°F to daytime highs around 15℃ 58°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Snowfall per hour

Snow Line

Mon
26

Snow unlikely

ClearCloudLt RainCloud

Clear sky first, cloudy then light rain showers, cloudy later.

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 10:32 UTC, next update expected 16:00 UTC.

Snow Forecast near Aletsch

Snow Forecasts for Ski Resorts near Aletsch
Snow Report and Forecast 48 HrTueWedThuFriSatSunMon 7 Day
Interlaken 27cm 10in 38cm 15in
Grindelwald 23cm 9in 30cm 12in
Fiescheralp 10cm 4in 20cm 8in
Riederalp 9cm 4in 17cm 7in
Saas-Fee 10cm 4in 14cm 5in
Adelboden 9cm 4in 13cm 5in
Bettmeralp 6cm 2in 12cm 5in
Wengen 6cm 2in 12cm 5in

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.