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Alt St. Johann 7-Day Snow Forecast - 21st September 2026

Alt St. Johann Snow Forecast - 7 day

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Updated 21 September 2026 19:47 NZST

7-Day Snow Forecast for Alt St. Johann

1-week from 21 September.

For Forecast detail, see below.

Alt St. Johann 7-Day Snow Forecast Highlights

When will there be fresh snow in Alt St. Johann?

Alt St. Johann Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (1,581m)
Next Snow?
There is no snow currently in the forecast for Alt St. Johann.

7-Day Snow Outlook for Alt St. Johann

 
Snowfall

 
Snow Line

Max 25℃
Min 7℃

Snow unlikely

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Alt St. Johann 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 19℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 19℃

Temperature at BaseTemp at Base

Mon
21

Snow unlikely

MixedFairCloudClear

Clear spells first, fair then cloudy, clear sky later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 17℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 17℃

Temperature at BaseTemp at Base

Tue
22

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 19℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 19℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
23

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 18℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Thu
24

Snow unlikely

ClearMixedMixedClear

Clear sky, clear spells, clear sky later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 19℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 19℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Fri
25

Snow unlikely

FairCloudClearClear

Fair, cloudy, clear sky later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 23℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Sat
26

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Max 25℃
Min 13℃

Valley temperatures from an overnight low of 13℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Sun
27

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

No significant snowfall is forecast for this period.

This Snow Forecast for Alt St. Johann, 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 Alt St. Johann, 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.

Alt St. Johann Snow Forecast updated at 19:47 NZST, next update expected 01:00 NZST.

Snow Forecast near Alt St. Johann

Snow Forecasts for Ski Resorts near Alt St. Johann
Ski Area 48 Hr 7 DayMoTuWeThFrSaSu
Flims1cm 1cm

Snow Reliability

The snow reliability at Alt St. Johann is generally good, with average snow depths often reaching between 50 to 150 cm during peak season. For the latest snow conditions and updates, check J2Ski for accurate and timely information.