Alt St. Johann 48-Hour Snow Forecast
Updated 12 May 2026 19:46 UTC
2-Day Forecast for Alt St. Johann
48-hours from 12 May.
See below for forecast detail
Alt St. Johann Snow Forecast updated at 19:46 UTC, next update expected 01:00 UTC.
Forecast for today in Alt St. Johann
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.
Forecast for tomorrow in Alt St. Johann
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.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Tue | 02:00 |  | up to 2cm up to 1in New Snow | Heavy snow at altitude. Hvy rain below. | 2℃ 35°F | W Light | 100% |
| Tue | 03:00 | | Light snow at altitude. Lt rain below. | 2℃ 35°F | W Light | 100% | |
| Tue | 04:00 | | Cloudy. | 2℃ 35°F | W Light | 100% | |
| Tue | 05:00 | | Heavy snow showers at altitude. Hvy shwrs below. | 2℃ 35°F | W Light | 100% | |
| Tue | 06:00 |  | 1cm New Snow | Heavy snow. | 2℃ 35°F | W Light | 100% |
| Tue | 07:00 | | 2cm 1in New Snow | Heavy snow. | 2℃ 35°F | W Light | 100% |
| Tue | 08:00 | | 2cm 1in New Snow | Heavy snow. | 1℃ 34°F | W Light | 100% |
| Tue | 09:00 | | Heavy snow showers. | 1℃ 33°F | W Light | 100% | |
| Tue | 10:00 | | Heavy snow showers. | 1℃ 34°F | W Light | 95% | |
| Tue | 11:00 | | Clear spells. | 2℃ 36°F | W Light | 90% | |
| Tue | 12:00 | | Fair. | 3℃ 38°F | W Light | 90% | |
| Tue | 13:00 | | Fair. | 3℃ 38°F | W Light | 85% | |
| Tue | 14:00 | | Clear spells. | 4℃ 39°F | W Light | 80% | |
| Tue | 15:00 |  | Clear sky. | 5℃ 41°F | W Light | 65% | |
| Tue | 16:00 | | Fair. | 5℃ 41°F | W Light | 50% | |
| Tue | 17:00 | | Fair. | 5℃ 41°F | W Light | 35% | |
| Tue | 18:00 | | Clear spells. | 5℃ 42°F | W Light | 20% | |
| Tue | 19:00 | | Clear spells. | 5℃ 41°F | W Light | 10% | |
| Tue | 20:00 | | Fair. | 4℃ 39°F | W Light | 0% | |
| Tue | 21:00 | | Fair. | 3℃ 37°F | W Calm | 0% | |
| Tue | 22:00 | | Clear sky. | 2℃ 36°F | W Calm | 0% | |
| Tue | 23:00 | | Clear sky. | 2℃ 35°F | W Calm | 0% | |
| Wed | 00:00 | | Clear sky. | 1℃ 34°F | SW Calm | 0% | |
| Wed | 01:00 | | Clear spells. | 0℃ 32°F | SW Calm | 0% | |
| Wed | 02:00 | | Clear spells. | -1℃ 30°F | SW Calm | 0% | |
| Wed | 03:00 | | Fair. | -1℃ 30°F | SW Calm | 0% | |
| Wed | 04:00 | | Fair. | -1℃ 30°F | SW Calm | 0% | |
| Wed | 05:00 | | Fair. | -1℃ 30°F | SW Calm | 0% | |
| Wed | 06:00 | | Fair. | -2℃ 29°F | SW Calm | 0% | |
| Wed | 07:00 | | Fair. | -1℃ 31°F | SW Calm | 0% | |
| Wed | 08:00 | | Fair. | 3℃ 36°F | SW Light | 0% | |
| Wed | 09:00 | | Fair. | 4℃ 40°F | SW Light | 0% | |
| Wed | 10:00 | | Clear sky. | 5℃ 42°F | SW Light | 0% | |
| Wed | 11:00 | | Clear sky. | 6℃ 43°F | SW Light | 0% | |
| Wed | 12:00 | | Clear spells. | 8℃ 45°F | SW Light | 0% | |
| Wed | 13:00 | | Clear spells. | 9℃ 47°F | SW Light | 0% | |
| Wed | 14:00 | | Clear spells. | 9℃ 49°F | SW Light | 5% | |
| Wed | 15:00 | | Clear spells. | 10℃ 49°F | SW Breeze | 15% | |
| Wed | 16:00 | | Clear spells. | 10℃ 50°F | SW Breeze | 35% | |
| Wed | 17:00 |  | Light drizzle. | 9℃ 49°F | SW Breeze | 50% | |
| Wed | 18:00 | | Light drizzle. | 9℃ 48°F | SW Breeze | 65% | |
| Wed | 19:00 | | Light snow at altitude. Lt drizzle below. | 8℃ 47°F | SW Light | 80% | |
| Wed | 20:00 | | Light snow at altitude. Lt drizzle below. | 7℃ 45°F | SW Light | 90% | |
| Wed | 21:00 | | Light snow at altitude. Lt drizzle below. | 5℃ 41°F | SW Light | 95% | |
| Wed | 22:00 | | Light snow at altitude. Drizzle below. | 5℃ 41°F | SW Light | 95% | |
| Wed | 23:00 |  | up to 1cm New Snow | Light snow at altitude. Lt rain below. | 5℃ 40°F | SW Light | 90% |
| Thu | 00:00 | | Clear spells. | 4℃ 40°F | SW Light | 90% | |
| Thu | 01:00 | | Light snow at altitude. Lt drizzle below. | 4℃ 39°F | SW Light | 85% | |
Snow Forecast near Alt St. Johann
Snow forecasts for nearby ski areas.
| 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 |
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 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.
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.