Alt St. Johann 48-Hour Snow Forecast
Updated 20 October 2026 08:41 BST
2-Day Forecast for Alt St. Johann
48-hours from 20 October.
See below for forecast detail
Alt St. Johann Snow Forecast updated at 08:41 BST, next update expected 14:00 BST.
Forecast for today in Alt St. Johann
Max 20℃ 67°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 20℃ 67°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Tue
20
Snow unlikely
Fog, clear sky, cloudy later.
Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.
Forecast for tomorrow in Alt St. Johann
Max 12℃ 53°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 12℃ 53°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
21
up to 8cm up to 3in New Snow
Light drizzle, light rain showers, rain showers later.
Snow Line from 2,008m 6,588ft to 1,392m 4,567ft , 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 |  | Fog. | 9℃ 49°F | SE Light | 0% | |
| Tue | 03:00 | | Fog. | 9℃ 48°F | SE Light | 0% | |
| Tue | 04:00 | | Fog. | 9℃ 47°F | SE Light | 0% | |
| Tue | 05:00 | | Fog. | 8℃ 46°F | SE Light | 0% | |
| Tue | 06:00 | | Fog. | 8℃ 45°F | SE Light | 0% | |
| Tue | 07:00 | | Fog. | 7℃ 45°F | SE Light | 0% | |
| Tue | 08:00 | | Fog. | 7℃ 45°F | SE Light | 0% | |
| Tue | 09:00 | | Fog. | 10℃ 50°F | SE Light | 0% | |
| Tue | 10:00 | | Clear sky. | 14℃ 57°F | SE Light | 0% | |
| Tue | 11:00 | | Clear sky. | 17℃ 62°F | SE Light | 0% | |
| Tue | 12:00 |  | Clear spells. | 19℃ 65°F | SE Light | 0% | |
| Tue | 13:00 | | Cloudy. | 19℃ 67°F | SE Light | 0% | |
| Tue | 14:00 | | Cloudy. | 20℃ 67°F | SE Light | 0% | |
| Tue | 15:00 | | Cloudy. | 20℃ 67°F | SE Light | 0% | |
| Tue | 16:00 | | Cloudy. | 19℃ 66°F | SE Light | 5% | |
| Tue | 17:00 | | Cloudy. | 18℃ 63°F | SE Light | 10% | |
| Tue | 18:00 | | Cloudy. | 16℃ 61°F | SE Light | 15% | |
| Tue | 19:00 | | Cloudy. | 15℃ 59°F | SE Light | 30% | |
| Tue | 20:00 | | Cloudy. | 14℃ 58°F | SE Light | 35% | |
| Tue | 21:00 | | Cloudy. | 14℃ 56°F | SE Light | 45% | |
| Tue | 22:00 | | Cloudy. | 13℃ 54°F | SE Light | 45% | |
| Tue | 23:00 | | Cloudy. | 12℃ 53°F | SE Light | 50% | |
| Wed | 00:00 | | Fog. | 12℃ 53°F | SW Light | 50% | |
| Wed | 01:00 | | Light drizzle. | 11℃ 52°F | SW Calm | 50% | |
| Wed | 02:00 | | Light rain showers. | 11℃ 52°F | SW Light | 50% | |
| Wed | 03:00 | | Drizzle. | 11℃ 51°F | SW Calm | 55% | |
| Wed | 04:00 | | Drizzle. | 10℃ 51°F | SW Light | 60% | |
| Wed | 05:00 | | Drizzle. | 10℃ 50°F | SW Light | 65% | |
| Wed | 06:00 | | Light drizzle. | 10℃ 49°F | SW Light | 70% | |
| Wed | 07:00 | | Light drizzle. | 9℃ 49°F | SW Light | 75% | |
| Wed | 08:00 | | Light drizzle. | 9℃ 48°F | SW Light | 80% | |
| Wed | 09:00 | | Drizzle. | 9℃ 49°F | SW Light | 80% | |
| Wed | 10:00 | | Light drizzle. | 9℃ 48°F | SW Light | 80% | |
| Wed | 11:00 | | Light drizzle. | 9℃ 48°F | SW Light | 85% | |
| Wed | 12:00 | | Light snow at altitude. Lt drizzle below. | 9℃ 48°F | SW Light | 90% | |
| Wed | 13:00 | | Light snow at altitude. Drizzle below. | 8℃ 47°F | SW Light | 95% | |
| Wed | 14:00 |  | Heavy snow showers at altitude. Hvy drizzle below. | 8℃ 47°F | SW Light | 100% | |
| Wed | 15:00 | | up to 1cm New Snow | Light snow showers at altitude. Lt rain below. | 8℃ 46°F | SW Light | 100% |
| Wed | 16:00 | | up to 1cm New Snow | Snow showers at altitude. Shwrs below. | 7℃ 45°F | SW Breeze | 100% |
| Wed | 17:00 | | up to 1cm New Snow | Light snow showers at altitude. Lt rain below. | 7℃ 45°F | SW Light | 100% |
| Wed | 18:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy drizzle below. | 7℃ 44°F | SW Light | 100% |
| Wed | 19:00 |  | up to 1cm New Snow | Light snow at altitude. Lt rain below. | 7℃ 44°F | SW Light | 100% |
| Wed | 20:00 | | up to 2cm up to 1in New Snow | Snow showers at altitude. Shwrs below. | 6℃ 42°F | SW Light | 100% |
| Wed | 21:00 | | Snow at altitude. Rain below. | 5℃ 40°F | SW Light | 100% | |
| Wed | 22:00 | | up to 1cm New Snow | Light snow at altitude. Lt rain below. | 5℃ 41°F | SW Light | 100% |
| Wed | 23:00 | | up to 1cm New Snow | Heavy snow showers at altitude. Hvy drizzle below. | 5℃ 41°F | SW Light | 100% |
| Thu | 00:00 | | up to 1cm New Snow | Light snow showers at altitude. Lt rain below. | 4℃ 40°F | SW Light | 100% |
| Thu | 01:00 | | Light snow showers at altitude. Lt rain below. | 4℃ 39°F | SW Light | 100% | |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Flims | 20cm 8in | 31cm 12in | |||||||
| Flumserberg | 11cm 4in | 28cm 11in | |||||||
| Wildhaus | 12cm 5in | 28cm 11in | |||||||
| Unteriberg | 4cm 1in | 20cm 8in | |||||||
| Laterns | 4cm 1in | 14cm 6in | |||||||
| Dunserberg | - | 8cm 3in |
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.
How reliable is the snow in Alt St. Johann?
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.