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 16 days from 26 March.
Updated 26 March 2025 01:39 PDT.
| Next Snow Expected | 29 March |
|---|---|
| Next Snow Amount | 6in |
| Next 48 Hours | 2in |
| Next 7 Days | 9in |
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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 46°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 46°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
26
up to 1in New Snow
Cloudy, rain showers, light rain showers later.
Snow Line from 5,148ft to 4,524ft, with rain below.
Powder Alert!
Updated 26 March 2025 03:39 PDT
Powder Possible :- 6in of Fresh Snow is forecast for Alt St. Johann over the next 3 days.
To get Powder Alerts and Snow Storm Early Warnings by e-mail, Subscribe to our Snow Mail below .
Alt St. Johann Snow Report
| Snow Conditions | Ski Area Closed |
|---|---|
| Planned Closing | |
| Sunday 6th April 2025 | |
Alt St. Johann 7-Day Snow Forecast Overview
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| Wed 26 | Thu 27 | Fri 28 | Sat 29 | Sun 30 | Mon 31 | Tue 01 | |
|---|---|---|---|---|---|---|---|
| Wind | NE F2 | ||||||
| 7,421ft | 28°F
 +1in
| 28°F
 | 36°F
| 27°F
 +6in
| 29°F
+1in
| 40°F
 | 42°F
|
| 5,187ft | 36°F
| 39°F
| 44°F
| 35°F
+6in
| 37°F
+1in
| 50°F
| 52°F
|
| 2,953ft | 46°F
 | 48°F
| 50°F
| 41°F
 +1in
| 44°F
| 55°F
| 58°F
|
| Snow Line | varying 5,148ft | varying 5,344ft | varying 4,656ft | varying 3,540ft | |||
| Max Town | 46°F | 48°F | 50°F | 41°F | 44°F | 55°F | 58°F |
| Min Town | 39°F | 37°F | 36°F | 33°F | 34°F | 34°F | 38°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 46°F
Min 39°F
Valley temperatures from an overnight low of 39°F to daytime highs around 46°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
26
up to 1in New Snow
Cloudy, rain showers, light rain showers later.
Snow Line from 5,148ft to 4,524ft, with rain below.
Max 48°F
Min 37°F
Valley temperatures from an overnight low of 37°F to daytime highs around 48°F
Temperature at BaseTemp at Base
Thu
27
Snow unlikely
Cloudy early, then clear sky later.
Max 50°F
Min 36°F
Valley temperatures from an overnight low of 36°F to daytime highs around 50°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
28
Snow unlikely
Clear sky, fair, cloudy later.
Max 41°F
Min 33°F
Valley temperatures from an overnight low of 33°F to daytime highs around 41°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
29
1in to 6in New Snow
Light rain, light snow, cloudy later.
Snow Line from 4,656ft to resort level.
Max 44°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 44°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
30
up to 1in New Snow
Light snow at altitude, cloudy, clear sky later.
Snow Line from 3,540ft to 3,179ft, with rain below.
Max 55°F
Min 34°F
Valley temperatures from an overnight low of 34°F to daytime highs around 55°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
31
Snow unlikely
Clear sky.
Max 58°F
Min 38°F
Valley temperatures from an overnight low of 38°F to daytime highs around 58°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Fair early, then clear sky later.
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 01:39 PDT, next update expected 07:00 PDT.
Snow Forecast near Alt St. Johann
| Snow Report and Forecast | 48 Hr | Wed | Thu | Fri | Sat | Sun | Mon | Tue | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Dunserberg | - | 10in | |||||||
| Wildhaus | 3in | 9in | |||||||
| Unteriberg | - | 8in | |||||||
| Flumserberg | 1in | 7in | |||||||
| Gommiswald | - | 6in | |||||||
| Laterns | - | 4in | |||||||
| Flims | 1in | 3in |
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.