J2Ski J2Ski logo
Facebook

Alt St. Johann Snow Forecast - 48 hour - 17th August 2026

Alt St. Johann 48-Hour Snow Forecast

ECMWF IFS
GFS

PROSubscribe to Switch Weather Model

Updated 17 August 2026 07:47 UTC

2-Day Forecast for Alt St. Johann

48-hours from 17 August.

See below for forecast detail

Alt St. Johann Snow Forecast updated at 07:47 UTC, next update expected 13:00 UTC.

Forecast for today in Alt St. Johann

Max 19℃ 65°F
Min 15℃ 58°F

Valley temperatures from an overnight low of 15℃ 58°F to daytime highs around 19℃ 65°F

Temperature at BaseTemp at Base

Mon
17

Snow unlikely

Lt DrizzleShwrsStormDrizzle

Light drizzle first, rain showers then thunderstorms, drizzle later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

Forecast for tomorrow in Alt St. Johann

Max 20℃ 69°F
Min 13℃ 56°F

Valley temperatures from an overnight low of 13℃ 56°F to daytime highs around 20℃ 69°F

Temperature at BaseTemp at Base

Tue
18

Snow unlikely

DrizzleLt DrizzleDrizzleLt Drizzle

Drizzle first, light drizzle then drizzle, light drizzle later.

Forecast times for Alt St. Johann are in Zurich (Europe/Zurich) time zone.

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Alt St. Johann from OpenMeteo(ECMWF IFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Mon02:00Mixed

Clear spells. 18℃ 65°F W
Calm
5%
Mon03:00Mixed

Clear spells. 18℃ 65°F W
Calm
0%
Mon04:00Mixed

Clear spells. 18℃ 64°F W
Calm
0%
Mon05:00Lt Drizzle

Light drizzle. 16℃ 62°F W
Light
0%
Mon06:00Lt Drizzle

Light drizzle. 16℃ 61°F W
Light
10%
Mon07:00Lt Drizzle

Light drizzle. 16℃ 60°F W
Light
20%
Mon08:00Lt Rain

Light rain showers. 16℃ 61°F W
Light
30%
Mon09:00Drizzle

Drizzle. 17℃ 62°F W
Light
50%
Mon10:00Cloud

Cloudy. 19℃ 65°F W
Light
75%
Mon11:00Lt Drizzle

Light drizzle. 18℃ 64°F W
Light
90%
Mon12:00Storm

Thunderstorms. 17℃ 63°F W
Light
95%
Mon13:00Storm

Thunderstorms. 16℃ 61°F W
Light
100%
Mon14:00Storm

Thunderstorms. 17℃ 63°F W
Light
100%
Mon15:00Storm

Thunderstorms. 17℃ 62°F W
Light
100%
Mon16:00Drizzle

Drizzle. 18℃ 64°F W
Light
100%
Mon17:00Storm

Thunderstorms. 17℃ 63°F W
Light
100%
Mon18:00Lt Rain

Light rain showers. 17℃ 63°F W
Light
100%
Mon19:00Shwrs

Rain showers. 16℃ 61°F W
Light
100%
Mon20:00Drizzle

Drizzle. 16℃ 60°F W
Light
100%
Mon21:00Drizzle

Drizzle. 15℃ 59°F W
Light
100%
Mon22:00Shwrs

Rain showers. 15℃ 58°F W
Light
95%
Mon23:00Drizzle

Drizzle. 15℃ 58°F W
Light
95%
Tue00:00Lt Drizzle

Light drizzle. 15℃ 58°F SW
Light
85%
Tue01:00Lt Drizzle

Light drizzle. 15℃ 58°F SW
Light
75%
Tue02:00Lt Drizzle

Light drizzle. 14℃ 57°F SW
Light
65%
Tue03:00Lt Drizzle

Light drizzle. 14℃ 57°F SW
Light
65%
Tue04:00Drizzle

Drizzle. 14℃ 56°F SW
Light
60%
Tue05:00Lt Rain

Light rain showers. 14℃ 57°F SW
Light
60%
Tue06:00Drizzle

Drizzle. 13℃ 56°F SW
Light
55%
Tue07:00Drizzle

Drizzle. 14℃ 56°F SW
Light
50%
Tue08:00Lt Drizzle

Light drizzle. 15℃ 58°F SW
Light
50%
Tue09:00Lt Drizzle

Light drizzle. 15℃ 60°F SW
Light
55%
Tue10:00Lt Drizzle

Light drizzle. 17℃ 62°F SW
Light
65%
Tue11:00Drizzle

Drizzle. 17℃ 62°F SW
Light
70%
Tue12:00Drizzle

Drizzle. 18℃ 64°F SW
Light
75%
Tue13:00Drizzle

Drizzle. 19℃ 66°F SW
Light
75%
Tue14:00Drizzle

Drizzle. 19℃ 67°F SW
Breeze
75%
Tue15:00Drizzle

Drizzle. 20℃ 67°F SW
Breeze
65%
Tue16:00Drizzle

Drizzle. 20℃ 69°F SW
Breeze
45%
Tue17:00Lt Drizzle

Light drizzle. 20℃ 69°F SW
Breeze
30%
Tue18:00Cloud

Cloudy. 20℃ 68°F SW
Breeze
20%
Tue19:00Cloud

Cloudy. 20℃ 67°F SW
Light
10%
Tue20:00Cloud

Cloudy. 19℃ 66°F SW
Light
5%
Tue21:00Cloud

Cloudy. 18℃ 63°F SW
Light
5%
Tue22:00Lt Drizzle

Light drizzle. 17℃ 62°F SW
Light
5%
Tue23:00Lt Drizzle

Light drizzle. 17℃ 63°F SW
Light
5%
Wed00:00Lt Drizzle

Light drizzle. 16℃ 61°F SW
Light
5%
Wed01:00Lt Drizzle

Light drizzle. 15℃ 60°F SW
Light
5%

Snow Forecast near Alt St. Johann

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Alt St. Johann are not available.

Alt St. Johann Snow

For current snow depths and skiing conditions, see our Current Snow Report for Alt St. Johann.

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 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.

Snow Reliability

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.