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 17 April.
Updated 17 April 2025 13:37 BST.
| 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 8℃ 47°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 8℃ 47°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
17
up to 2cm up to 1in New Snow
Light rain.
Snow Line from 2,059m 6,755ft to 1,319m 4,327ft , with rain below.
Alt St. Johann has 3cm 1in new snow forecast in the next 48 hours.
Alt St. Johann Snow Report
| Upper Snow Depths | 130cm 51in |
|---|---|
| Snow Conditions | Not Known |
| Pistes Open | (14%) |
| Lifts Open | 4 Lifts |
Alt St. Johann 7-Day Snow Forecast Overview
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| Thu 17 | Fri 18 | Sat 19 | Sun 20 | Mon 21 | Tue 22 | Wed 23 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 2,262m 7,421ft | 0℃ 31°F
 +2cm +1in
| -1℃ 31°F
 +1cm
| 8℃ 47°F
 | 10℃ 50°F
| 3℃ 37°F
| 7℃ 44°F
| 6℃ 44°F
|
| 1,581m 5,187ft | 5℃ 41°F
| 4℃ 40°F
+1cm
| 13℃ 55°F
| 14℃ 58°F
| 7℃ 45°F
| 12℃ 53°F
| 13℃ 55°F
|
| 900m 2,953ft | 8℃ 47°F
| 10℃ 49°F
| 16℃ 61°F
| 18℃ 64°F
| 11℃ 51°F
| 15℃ 59°F
| 16℃ 60°F
|
| Snow Line | varying 2,059m 6,755ft | varying 1,249m 4,098ft | |||||
| Max Town | 8℃ 47°F | 10℃ 49°F | 16℃ 61°F | 18℃ 64°F | 11℃ 51°F | 15℃ 59°F | 16℃ 60°F |
| Min Town | 5℃ 40°F | 3℃ 38°F | 5℃ 40°F | 7℃ 44°F | 7℃ 44°F | 7℃ 44°F | 6℃ 43°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 8℃ 47°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 8℃ 47°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
17
up to 2cm up to 1in New Snow
Light rain.
Snow Line from 2,059m 6,755ft to 1,319m 4,327ft , with rain below.
Max 10℃ 49°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 10℃ 49°F
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
18
up to 1cm New Snow
Light rain, cloudy, clear sky later.
Snow Line from 1,249m 4,098ft to 1,179m 3,868ft , with rain below.
Max 16℃ 61°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 16℃ 61°F
Temperature at BaseTemp at Base
Sat
19
Snow unlikely
Clear sky early, then cloudy later.
Max 18℃ 64°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Sun
20
Snow unlikely
Clear sky early, then cloudy later.
Max 11℃ 51°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 11℃ 51°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Cloudy early, then light rain later.
Max 15℃ 59°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 15℃ 59°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Fog, clear spells, cloudy later.
Max 16℃ 60°F
Min 6℃ 43°F
Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 16℃ 60°F
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Cloudy.
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.
Alt St. Johann Snow Forecast updated at 13:37 BST, next update expected imminently.
Snow Forecast near Alt St. Johann
| Snow Report and Forecast | 48 Hr | Thu | Fri | Sat | Sun | Mon | Tue | Wed | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Flims | 9cm 3in | 21cm 8in | |||||||
| Flumserberg | 2cm 1in | 12cm 5in | |||||||
| Wildhaus | 1cm - | 9cm 4in | |||||||
| Unteriberg | 8cm 3in | 8cm 3in | |||||||
| Laterns | 1cm - | 1cm - |
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.