Alt St. Johann Snow Forecast - 7 day
Updated 21 March 2026 07:41 NZDT
7-Day Snow Forecast for Alt St. Johann
1-week from 20 March.
For Forecast detail, see below.
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Alt St. Johann 7-Day Snow Forecast Highlights
When will there be fresh snow in Alt St. Johann?
| Next Snow Expected | 23 March |
|---|---|
| Next Snow Amount | 1cm |
| Next 48 Hours | 1cm |
| Next 7 Days | 32cm |
7-Day Snow Outlook for Alt St. Johann
Snowfall
Snow Line
Max 10℃
Min -4℃
23cm New Snow
Snow Line from 1,731m to resort level (900m).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
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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 9℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Clear sky first, fair then clear spells, clear sky later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 8℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 8℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
21
up to 1cm New Snow
Clear sky first, clear spells then cloudy, snow showers at altitude later.
Snow Line from 1,608m to 946m, with rain below.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 10℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 10℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
22
1cm New Snow
Clear spells first, clear sky then light drizzle, clear sky later.
Snow falling to resort level (900m).
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 6℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 6℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
23
1cm New Snow
Snow showers first, clear spells then cloudy, clear sky later.
Snow Line from 1,485m to resort level (900m).
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 10℃
Min -1℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 10℃
Temperature at BaseTemp at Base
Tue
24
Snow unlikely
Cloudy, clear spells, cloudy later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max 8℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 8℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
25
6cm to 8cm New Snow
Fair first, cloudy then heavy snow, heavy snow showers later.
Snow Line from 1,731m to resort level (900m).
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Max -1℃
Min -4℃
Below freezing at all levels, with valley temperatures as low as -4℃ and not getting above -1℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
26
12cm New Snow
Light snow, heavy snow showers, heavy snow later.
Snow falling to resort level (900m).
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 07:41 NZDT, next update expected 13:00 NZDT.
Snow Forecast near Alt St. Johann
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Flumserberg | 3cm | 43cm | |||||||
| Laterns | 2cm | 38cm | |||||||
| Dunserberg | 2cm | 36cm | |||||||
| Unteriberg | 1cm | 35cm | |||||||
| Flims | 3cm | 34cm | |||||||
| Wildhaus | 3cm | 29cm | |||||||
| Gommiswald | - | 27cm |
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.