Alt St. Johann 48-Hour Snow Forecast
Updated 20 March 2026 11:41 PDT
2-Day Forecast for Alt St. Johann
48-hours from 20 March.
See below for forecast detail
Alt St. Johann Snow Forecast updated at 11:41 PDT, next update expected 17:00 PDT.
Forecast for today in Alt St. Johann
Max 49°F
Min 32°F
Valley temperatures from an overnight low of 32°F to daytime highs around 49°F
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.
Forecast for tomorrow in Alt St. Johann
Max 45°F
Min 33°F
Valley temperatures from an overnight low of 33°F to daytime highs around 45°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
21
New Snow
Clear sky first, clear spells then cloudy, snow showers at altitude later.
Snow Line from 5,276ft to 3,104ft, with rain below.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Fri | 01:00 |  | Clear sky. | 35°F | SE Light | 0% | |
| Fri | 02:00 | | Clear sky. | 33°F | SE Light | 0% | |
| Fri | 03:00 | | Clear sky. | 32°F | SE Light | 0% | |
| Fri | 04:00 | | Clear sky. | 32°F | SE Light | 0% | |
| Fri | 05:00 | | Clear sky. | 32°F | SE Light | 0% | |
| Fri | 06:00 | | Clear sky. | 33°F | SE Light | 0% | |
| Fri | 07:00 | | Fair. | 33°F | SE Light | 0% | |
| Fri | 08:00 | | Fair. | 40°F | SE Light | 0% | |
| Fri | 09:00 | | Clear spells. | 42°F | SE Light | 0% | |
| Fri | 10:00 | | Fair. | 44°F | SE Light | 0% | |
| Fri | 11:00 | | Clear sky. | 46°F | SE Light | 0% | |
| Fri | 12:00 | | Fair. | 48°F | SE Light | 0% | |
| Fri | 13:00 | | Clear spells. | 48°F | SE Light | 0% | |
| Fri | 14:00 | | Clear spells. | 49°F | SE Light | 0% | |
| Fri | 15:00 | | Clear spells. | 48°F | SE Light | 0% | |
| Fri | 16:00 | | Clear spells. | 47°F | SE Light | 0% | |
| Fri | 17:00 | | Clear spells. | 45°F | SE Light | 0% | |
| Fri | 18:00 | | Fair. | 43°F | SE Light | 0% | |
| Fri | 19:00 | | Clear sky. | 40°F | SE Light | 0% | |
| Fri | 20:00 | | Clear sky. | 37°F | SE Light | 0% | |
| Fri | 21:00 | | Clear sky. | 35°F | SE Light | 0% | |
| Fri | 22:00 | | Clear sky. | 35°F | SE Light | 0% | |
| Fri | 23:00 | | Clear sky. | 35°F | SE Calm | 0% | |
| Sat | 00:00 | | Clear sky. | 35°F | SE Calm | 0% | |
| Sat | 01:00 | | Clear sky. | 35°F | SE Light | 0% | |
| Sat | 02:00 | | Clear sky. | 34°F | SE Light | 0% | |
| Sat | 03:00 | | Clear sky. | 34°F | SE Calm | 0% | |
| Sat | 04:00 | | Fair. | 33°F | SE Calm | 0% | |
| Sat | 05:00 | | Cloudy. | 33°F | SE Calm | 0% | |
| Sat | 06:00 | | Cloudy. | 34°F | SE Calm | 0% | |
| Sat | 07:00 | | Clear spells. | 36°F | SE Calm | 0% | |
| Sat | 08:00 | | Clear spells. | 40°F | SE Calm | 0% | |
| Sat | 09:00 | | Clear spells. | 42°F | SE Light | 0% | |
| Sat | 10:00 | | Fair. | 43°F | SE Calm | 0% | |
| Sat | 11:00 | | Cloudy. | 44°F | SE Light | 0% | |
| Sat | 12:00 | | Cloudy. | 45°F | SE Light | 0% | |
| Sat | 13:00 | | Cloudy. | 45°F | SE Light | 5% | |
| Sat | 14:00 | | Cloudy. | 45°F | SE Light | 20% | |
| Sat | 15:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 43°F | SE Light | 45% | |
| Sat | 16:00 |  | Light snow at altitude. Lt drizzle below. | 43°F | SE Light | 55% | |
| Sat | 17:00 | | Light snow at altitude. Lt rain below. | 43°F | SE Light | 55% | |
| Sat | 18:00 | | Light snow at altitude. Lt drizzle below. | 40°F | SE Light | 45% | |
| Sat | 19:00 |  | Light snow at altitude. Lt drizzle below. | 37°F | SE Calm | 35% | |
| Sat | 20:00 | | Light snow at altitude. Lt drizzle below. | 35°F | SE Light | 30% | |
| Sat | 21:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 36°F | SE Calm | 30% | |
| Sat | 22:00 | | Cloudy. | 35°F | SE Light | 25% | |
| Sat | 23:00 | | Cloudy. | 34°F | SE Calm | 25% | |
| Sun | 00:00 | | Cloudy. | 33°F | SE Light | 30% | |
Snow Forecast near Alt St. Johann
Snow forecasts for nearby ski areas.
| Ski Area | 48 Hr | 7 Day | Fr | Sa | Su | Mo | Tu | We | Th |
|---|---|---|---|---|---|---|---|---|---|
| Flumserberg | 1in | 17in | |||||||
| Laterns | 1in | 15in | |||||||
| Dunserberg | 1in | 14in | |||||||
| Unteriberg | - | 14in | |||||||
| Flims | 1in | 13in | |||||||
| Wildhaus | 1in | 11in | |||||||
| Gommiswald | - | 11in |
Alt St. Johann Snow
For current snow depths and skiing conditions, see our Current Snow Report for Alt St. Johann.
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 trail 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.
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.