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Unterwasser Long-Range Snow Forecast - 21st March 2026

Unterwasser Long-Range Snow Forecast Updated today

ECMWF IFS
GFS

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Updated 20 March 2026 11:41 PDT

Long-Range Snow Forecast for Unterwasser

Long-range (14 to 45 days) from 21 March.

For Forecast detail, see below.

Unterwasser Snow Forecast Highlights

When will there be fresh snow in Unterwasser?

Unterwasser Snow Forecast Highlights - ECMWF IFS
Snowfall prediction at mid-mountain (5,187ft)
Next Snow Expected23 March
Next Snow Amount1in
Next 48 Hours1in
Next 7 Days14in

Long-range Snow Outlook for Unterwasser

 
Snowfall

 
Snow Line

Max 51°F
Min 19°F

14in New Snow

Snow Line from 6,132ft to resort level (2,953ft).

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Unterwasser Long-Range (2 weeks+) 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.

16 Day Weather and Snow Forecast for Unterwasser from OpenMeteo(ECMWF IFS)
BaseSnow and WeatherTemp
Town
Sat
21
Cloud

New Snow
Cloudy.
Snow Line from 3,458ft to resort level (2,953ft).

Max 46°F
Min 29°F
Sun
22
Lt Snow Shwrs

up to 1in New Snow
Light snow showers.
Snow Line from 4,921ft to resort level (2,953ft).

Max 44°F
Min 28°F
Mon
23
Cloud

1in New Snow
Light snow at altitude, light rain below.
Snow Line from 4,216ft to resort level (2,953ft).

Max 40°F
Min 28°F
Tue
24
Mixed

Clear spells.

Max 51°F
Min 24°F
Wed
25
Snow

1in to 3in New Snow
Light snow showers at altitude, rain showers below.
Snow Line from 6,132ft to resort level (2,953ft).

Max 47°F
Min 28°F
Thu
26
Snow

4in to 5in New Snow
Heavy snow showers.
Snow falling to resort level (2,953ft).

Max 32°F
Min 27°F
Fri
27
Light Snow

3in to 5in New Snow
Heavy snow showers at altitude, light rain below.
Snow falling to resort level (2,953ft).

Max 29°F
Min 19°F

This Snow Forecast for Unterwasser, 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 Unterwasser, 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.

Unterwasser Snow Forecast updated at 11:41 PDT, next update expected imminently.

Ensemble forecast for Unterwasser, Switzerland at 2,953ft

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Snow Forecast near Unterwasser

Snow Forecasts for Ski Resorts near Unterwasser
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
Flumserberg3in 18in
Laterns1in 16in
Dunserberg1in 15in
Flims1in 14in
Schwägalp1in 13in
Wildhaus3in 13in
Gommiswald-11in

Snow Reliability

Unterwasser typically enjoys reliable snow conditions, with an average snow depth of 50-100 cm throughout the season. For the latest updates on snowfall and conditions, check J2Ski for accurate and timely information.

Off-Piste Safety in Unterwasser

Before skiing or snowboarding off-piste in Unterwasser, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.