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Alt St. Johann 7-Day Snow Forecast - 12th April 2026

Alt St. Johann Snow Forecast - 7 day

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Updated 12 April 2026 14:46 BST

7-Day Snow Forecast for Alt St. Johann

1-week from 12 April.

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 16℃ 61°F
Min 2℃ 36°F

7cm 3in New Snow

Snow Line from 2,023m 6,637ft to 1,331m 4,367ft , with rain below.

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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 10℃ 49°F
Min 7℃ 44°F

Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 10℃ 49°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
12

up to 1cm New Snow

Lt DrizzleLt DrizzleLt DrizzleCloud

Light drizzle early, then cloudy later.

Snow Line from 2,008m 6,588ft to 1,900m 6,234ft , with rain below.

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

Max 11℃ 52°F
Min 6℃ 42°F

Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 11℃ 52°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
13

up to 2cm up to 1in New Snow

CloudCloudLt DrizzleShwrs

Cloudy, light drizzle, rain showers later.

Snow Line from 2,023m 6,637ft to 1,669m 5,476ft , with rain below.

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

Max 7℃ 44°F
Min 4℃ 40°F

Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 7℃ 44°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
14

up to 4cm up to 2in New Snow

Lt DrizzleLt DrizzleLt DrizzleShwrs

Light drizzle early, then rain showers later.

Snow Line from 1,715m 5,627ft to 1,331m 4,367ft , with rain below.

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

Max 15℃ 59°F
Min 2℃ 36°F

Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 15℃ 59°F
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Wed
15

Snow unlikely

CloudClearCloudCloud

Cloudy, clear sky, cloudy later.

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

Max 14℃ 58°F
Min 6℃ 43°F

Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 14℃ 58°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Thu
16

Snow unlikely

CloudLt DrizzleMixedFair

Cloudy first, light drizzle then clear spells, fair later.

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

Max 16℃ 61°F
Min 4℃ 38°F

Valley temperatures from an overnight low of 4℃ 38°F to daytime highs around 16℃ 61°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Fri
17

Snow unlikely

FairFairLt DrizzleMixed

Fair, light drizzle, clear spells later.

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

Max 16℃ 60°F
Min 6℃ 43°F

Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 16℃ 60°F
Freeze-thaw (spring snow) conditions up high.

Temperature at BaseTemp at Base

Sat
18

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

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 14:46 BST, next update expected 20:00 BST.

Snow Forecast near Alt St. Johann

Snow Forecasts for Ski Resorts near Alt St. Johann
Ski Area 48 Hr 7 DaySuMoTuWeThFrSa
Flims 7cm 3in 7cm 3in
Flumserberg 3cm 1in 3cm 1in
Wildhaus 3cm 1in 3cm 1in
Unteriberg 2cm 1in 2cm 1in
Laterns 1cm - 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.