Alt St. Johann Snow Report and Forecast
Snow Forecast for Alt St. Johann
When will there be fresh snow?
This is the Snow Forecast for Alt St. Johann, Switzerland for 15 days from 26 May.
Updated 25 May 2025 07:33 PDT.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Alt St. Johann. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Alt St. Johann.
Forecast for today in Alt St. Johann
Max 55°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Mon
26
Snow unlikely
Light rain early, then cloudy later.
Alt St. Johann has no new snow forecast in the next 48 hours.
Alt St. Johann Snow Report
| Snow Conditions | Not Known |
|---|---|
| Lifts Open | 3 Lifts |
Alt St. Johann 7-Day Snow Forecast Overview
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| Mon 26 | Tue 27 | Wed 28 | Thu 29 | Fri 30 | Sat 31 | Sun 01 | |
|---|---|---|---|---|---|---|---|
| Wind | W F2 | SW F3 | SW F2 | ||||
| 7,421ft | 38°F
 | 42°F
| 45°F
| 43°F
| 55°F
 | 54°F
| 56°F
|
| SW F3 | SW F2 | ||||||
| 5,187ft | 47°F
| 50°F
| 53°F
| 51°F
| 61°F
| 60°F
| 63°F
 |
| SW F2 | |||||||
| 2,953ft | 55°F
| 57°F
| 59°F
| 58°F
| 68°F
| 68°F
| 71°F
|
| Snow Line | |||||||
| Max Town | 55°F | 57°F | 59°F | 58°F | 68°F | 68°F | 71°F |
| Min Town | 49°F | 46°F | 47°F | 49°F | 54°F | 51°F | 48°F |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
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 55°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 55°F
Temperature at BaseTemp at Base
Mon
26
Snow unlikely
Light rain early, then cloudy later.
Max 57°F
Min 46°F
Valley temperatures from an overnight low of 46°F to daytime highs around 57°F
Temperature at BaseTemp at Base
Tue
27
Snow unlikely
Cloudy.
Max 59°F
Min 47°F
Valley temperatures from an overnight low of 47°F to daytime highs around 59°F
Temperature at BaseTemp at Base
Wed
28
Snow unlikely
Cloudy early, then light rain showers later.
Max 58°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 58°F
Temperature at BaseTemp at Base
Thu
29
Snow unlikely
Cloudy early, then clear spells later.
Max 68°F
Min 54°F
Valley temperatures from an overnight low of 54°F to daytime highs around 68°F
Temperature at BaseTemp at Base
Fri
30
Snow unlikely
Clear spells, fair, clear spells later.
Max 68°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 68°F
Temperature at BaseTemp at Base
Sat
31
Snow unlikely
Clear spells, thunderstorms, cloudy later.
Max 71°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Sun
01
Snow unlikely
Fair, clear spells, clear sky later.
No significant snowfall is forecast for this period.
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.
Alt St. Johann Snow Forecast updated at 07:33 PDT, next update expected imminently.
Snow Forecast near Alt St. Johann
| Snow Report and Forecast | 48 Hr | Mon | Tue | Wed | Thu | Fri | Sat | Sun | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Flims | 1in | 1in | |||||||
| Wildhaus | - | - | |||||||
| Flumserberg | - | - |
Understanding and predicting Snow Conditions in Alt St. Johann
Here are our tips for making the most of a trip to Alt St. Johann, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Alt St. Johann, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Alt St. Johann is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Alt St. Johann will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Alt St. Johann for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.