Alt St. Johann Snow Forecast - 7 day
Updated 12 May 2026 19:46 UTC
7-Day Snow Forecast for Alt St. Johann
1-week from 12 May.
For Forecast detail, see below.
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Alt St. Johann 7-Day Snow Forecast Highlights
When will there be fresh snow in Alt St. Johann?
| Next Snow Expected | 12 May |
|---|---|
| Next Snow Amount | 8cm 3in |
| Next 48 Hours | 10cm 4in |
| Next 7 Days | 11cm 5in |
7-Day Snow Outlook for Alt St. Johann
Snowfall
Snow Line
Max 12℃ 53°F
Min -2℃ 29°F
22cm 9in New Snow
Snow Line from 2,008m 6,588ft to resort level ( 900m 2,953ft ).
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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 5℃ 42°F
Min 1℃ 33°F
Valley temperatures from an overnight low of 1℃ 33°F to daytime highs around 5℃ 42°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
12
5cm to 8cm 2in to 3in New Snow
Patchy snow first, heavy snow showers then fair, clear sky later.
Snow Line from 1,285m 4,216ft to resort level ( 900m 2,953ft ).
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 10℃ 50°F
Min -2℃ 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 29°F and rising to 10℃ 50°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
13
up to 2cm up to 1in New Snow
Fair, clear spells, light drizzle later.
Snow Line from 1,469m 4,820ft to 1,362m 4,469ft , with rain below.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 7℃ 44°F
Min 2℃ 36°F
Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 7℃ 44°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
14
up to 5cm up to 2in New Snow
Clear spells, light drizzle, light snow at altitude later.
Snow Line from 1,731m 5,679ft to 1,085m 3,560ft , with rain below.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 6℃ 44°F
Min 0℃ 33°F
Valley temperatures from an overnight low of 0℃ 33°F to daytime highs around 6℃ 44°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
15
up to 3cm up to 1in New Snow
Cloudy, light drizzle, cloudy later.
Snow Line from 1,654m 5,427ft to resort level ( 900m 2,953ft ).
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 6℃ 42°F
Min 2℃ 36°F
Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 6℃ 42°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
16
up to 4cm up to 2in New Snow
Cloudy first, light drizzle then drizzle, light rain showers later.
Snow Line from 1,531m 5,023ft to 1,269m 4,163ft , with rain below.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 11℃ 51°F
Min 1℃ 33°F
Valley temperatures from an overnight low of 1℃ 33°F to daytime highs around 11℃ 51°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
17
Snow unlikely
Cloudy, light drizzle, clear sky later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 12℃ 53°F
Min 3℃ 37°F
Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 12℃ 53°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
18
up to 1cm New Snow
Cloudy first, fair then drizzle, light drizzle later.
Snow Line from 1,962m 6,437ft to 1,746m 5,728ft , with rain below.
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 19:46 UTC, next update expected 01:00 UTC.
Snow Forecast near Alt St. Johann
| Ski Area | 48 Hr | 7 Day | Tu | We | Th | Fr | Sa | Su | Mo |
|---|---|---|---|---|---|---|---|---|---|
| Flumserberg | 13cm 5in | 23cm 9in | |||||||
| Unteriberg | 15cm 6in | 23cm 9in | |||||||
| Flims | 12cm 5in | 20cm 8in | |||||||
| Wildhaus | 9cm 4in | 19cm 8in | |||||||
| Laterns | 9cm 4in | 13cm 5in | |||||||
| Dunserberg | 7cm 3in | 8cm 3in | |||||||
| Gommiswald | 5cm 2in | 5cm 2in |
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.