Alt St. Johann Long-Range Snow Forecast
Snow Forecast for Alt St. Johann
When will there be fresh snow?
This is the Long-range Snow Forecast for Alt St. Johann, Switzerland for 16 days from 18 April.
Updated 19 April 2025 02:35 NZST.
| Next Snow Expected | 26 April |
|---|---|
| Next Snow Amount | 1cm |
| Next 48 Hours | 1cm |
| Next 7 Days | 4cm |
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For Forecast detail, see below.
Forecast for Alt St. Johann
Max 8℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 8℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
18
up to 1cm New Snow
Light snow at altitude first, rain showers then cloudy, clear sky later.
Snow Line from 1,139m to 1,099m, with rain below.
Alt St. Johann has very light new snow forecast in the next 48 hours.
Alt St. Johann Long-Range (16-Day) Snow Forecast Outlook
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.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Fri 18 | | up to 1cm New Snow | Max 8℃ Min 3℃ |
| Sat 19 |  | Clear sky. | Max 17℃ Min 4℃ |
| Sun 20 | | Cloudy. | Max 12℃ Min 4℃ |
| Mon 21 |  | Cloudy at altitude, clear spells below. | Max 13℃ Min 3℃ |
| Tue 22 | | Cloudy at altitude, light rain showers below. | Max 12℃ Min 6℃ |
| Wed 23 | | Cloudy at altitude, light rain showers below. | Max 11℃ Min 6℃ |
| Thu 24 | | up to 2cm New Snow | Max 10℃ Min 7℃ |
| Fri 25 |  | up to 1cm New Snow | Max 10℃ Min 3℃ |
| Sat 26 |  | up to 2cm New Snow | Max 6℃ Min 1℃ |
| Sun 27 | | Fair at altitude, clear sky below. | Max 11℃ Min -1℃ |
| Mon 28 |  | Snow showers at altitude, rain showers below. | Max 5℃ Min 0℃ |
| Tue 29 | | up to 2cm New Snow | Max 10℃ Min 1℃ |
| Wed 30 | | Light snow showers at altitude, light rain showers below. | Max 10℃ Min -1℃ |
| Thu 01 | | Fair at altitude, clear sky below. | Max 10℃ Min -2℃ |
| Fri 02 | | up to 1cm New Snow | Max 6℃ Min -3℃ |
| Sat 03 | | Light snow at altitude, light drizzle below. | Max 8℃ Min -5℃ |
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 02:35 NZST, next update expected imminently.
Snow Forecast near Alt St. Johann
| Snow Report and Forecast | 48 Hr | Fri | Sat | Sun | Mon | Tue | Wed | Thu | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Flims | 1cm | 11cm | |||||||
| Unteriberg | - | 11cm | |||||||
| Wildhaus | 1cm | 11cm | |||||||
| Flumserberg | - | 9cm | |||||||
| Laterns | 2cm | 2cm |