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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 21 March 2026 05:41 AEDT

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 (1,581m)
Next Snow Expected23 March
Next Snow Amount2cm
Next 48 Hours1cm
Next 7 Days34cm

7-Day Snow Outlook for Unterwasser

 
Snowfall

 
Snow Line

Max 10℃
Min -4℃

24cm New Snow

Snow Line from 1,869m to resort level (900m).

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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 9℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 9℃

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 8℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 8℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
21

1cm New Snow

ClearCloudCloudLight Snow

Clear sky, cloudy, light snow later.

Snow Line from 1,054m to resort level (900m).

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

Max 7℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 7℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sun
22

1cm New Snow

CloudClearFairClear

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

Snow Line from 1,500m to resort level (900m).

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

Max 5℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Mon
23

2cm to 3cm New Snow

SnowSnowCloudClear

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

Snow Line from 1,285m to resort level (900m).

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

Max 10℃
Min -4℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ and rising to 10℃

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 9℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 9℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
25

3cm to 8cm New Snow

FairLt RainHvy SnowSnow

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

Snow Line from 1,869m to resort level (900m).

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

Max 0℃
Min -3℃

Below freezing at all levels, with valley temperatures as low as -3℃ and not getting above 0℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Thu
26

9cm to 12cm New Snow

Light SnowSnowSnowHvy Snow

Light snow, heavy snow showers, heavy snow later.

Snow falling to resort level (900m).

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 05:41 AEDT, next update expected 11:00 AEDT.

Snow Forecast near Unterwasser

Snow Forecasts for Ski Resorts near Unterwasser
Ski Area 48 Hr 7 DayFrSaSuMoTuWeTh
Flumserberg3cm 43cm
Laterns2cm 38cm
Dunserberg2cm 36cm
Flims3cm 34cm
Schwägalp2cm 31cm
Wildhaus3cm 29cm
Gommiswald-27cm

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.