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Unterwasser 7-Day Snow Forecast - 20th March 2026

Unterwasser Snow Forecast - 7 day

ECMWF IFS
GFS

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Updated 20 March 2026 11:41 PDT

7-Day Snow Forecast for Unterwasser

1-week from 20 March.

For Forecast detail, see below.

Unterwasser 7-Day 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 Hours-
Next 7 Days13in

7-Day Snow Outlook for Unterwasser

 
Snowfall

 
Snow Line

Max 51°F
Min 24°F

9in New Snow

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

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Unterwasser 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 49°F
Min 29°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 49°F

Temperature at BaseTemp at Base

Fri
20

Snow unlikely

ClearFairFairClear

Clear sky, fair, clear sky later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 46°F
Min 29°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 29°F and rising to 46°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

New Snow

ClearCloudCloudLight Snow

Clear sky, cloudy, light snow later.

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

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 44°F
Min 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 28°F and rising to 44°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
22

up to 1in New Snow

CloudClearFairClear

Cloudy first, clear sky then fair, clear sky later.

Snow Line from 4,921ft to resort level (2,953ft).

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 40°F
Min 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 28°F and rising to 40°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
23

1in New Snow

SnowSnowCloudClear

Snow showers first, heavy snow showers then cloudy, clear sky later.

Snow Line from 4,216ft to resort level (2,953ft).

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 51°F
Min 24°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 24°F and rising to 51°F

Temperature at BaseTemp at Base

Tue
24

Snow unlikely

CloudMixedCloudCloud

Cloudy, clear spells, cloudy later.

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 47°F
Min 28°F

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to 28°F and rising to 47°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

1in to 3in New Snow

FairLt RainHvy SnowSnow

Fair first, light rain showers then heavy snow, heavy snow showers later.

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

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

Max 32°F
Min 27°F

Below freezing at all levels, with valley temperatures as low as 27°F and not getting above 32°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
26

4in to 5in New Snow

Light SnowSnowSnowHvy Snow

Light snow, heavy snow showers, heavy snow later.

Snow falling to resort level (2,953ft).

Forecast times for Unterwasser are in Zurich (Europe/Zurich) time zone.

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 17:00 PDT.

Snow Forecast near Unterwasser

Snow Forecasts for Ski Resorts near Unterwasser
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Flumserberg1in 17in
Laterns1in 15in
Dunserberg1in 14in
Flims1in 13in
Schwägalp1in 12in
Wildhaus1in 11in
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.