Unterwasser Snow Report and Forecast
Snow Forecast for Unterwasser
When will there be fresh snow?
This is the Snow Forecast for Unterwasser, Switzerland for 16 days from 9 June.
Updated 09 June 2025 16:39 NZST.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Unterwasser. | |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Unterwasser.
Forecast for today in Unterwasser
Max 19℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Mon
09
Snow unlikely
Fair early, then clear spells later.
Unterwasser has no new snow forecast in the next 48 hours.
Unterwasser Snow Report
Snow report from Wildhaus (3km from Unterwasser)
| Upper Snow Depths | 110cm |
|---|---|
| Lower Snow Depths | 20cm |
| Snow Conditions | Not Known |
Unterwasser 7-Day Snow Forecast Overview
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| Mon 09 | Tue 10 | Wed 11 | Thu 12 | Fri 13 | Sat 14 | Sun 15 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 2,262m | 9℃
| 12℃
 | 14℃
| 19℃
 | 19℃
| 21℃
| 15℃
 |
| 1,581m | 14℃
| 17℃
| 19℃
| 23℃
| 23℃
| 25℃
| 19℃
|
| 900m | 19℃
| 21℃
| 22℃
| 26℃
| 27℃
| 29℃
| 22℃
|
| Snow Line | |||||||
| Max Town | 19℃ | 21℃ | 22℃ | 26℃ | 27℃ | 29℃ | 22℃ |
| Min Town | 7℃ | 10℃ | 11℃ | 17℃ | 19℃ | 17℃ | 14℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
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 19℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 19℃
Temperature at BaseTemp at Base
Mon
09
Snow unlikely
Fair early, then clear spells later.
Max 21℃
Min 10℃
Valley temperatures from an overnight low of 10℃ to daytime highs around 21℃
Temperature at BaseTemp at Base
Tue
10
Snow unlikely
Clear sky first, fair then cloudy, clear spells later.
Max 22℃
Min 11℃
Valley temperatures from an overnight low of 11℃ to daytime highs around 22℃
Temperature at BaseTemp at Base
Wed
11
Snow unlikely
Clear spells, fair, clear sky later.
Max 26℃
Min 17℃
Valley temperatures from an overnight low of 17℃ to daytime highs around 26℃
Temperature at BaseTemp at Base
Thu
12
Snow unlikely
Fair early, then clear sky later.
Max 27℃
Min 19℃
Valley temperatures from an overnight low of 19℃ to daytime highs around 27℃
Temperature at BaseTemp at Base
Fri
13
Snow unlikely
Fair, cloudy, fair later.
Max 29℃
Min 17℃
Valley temperatures from an overnight low of 17℃ to daytime highs around 29℃
Temperature at BaseTemp at Base
Sat
14
Snow unlikely
Cloudy first, fair then clear sky, clear spells later.
Max 22℃
Min 14℃
Valley temperatures from an overnight low of 14℃ to daytime highs around 22℃
Temperature at BaseTemp at Base
Sun
15
Snow unlikely
Fair first, cloudy then thunderstorms, cloudy later.
No significant snowfall is forecast for this period.
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 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.
Unterwasser Snow Forecast updated at 16:39 NZST, next update expected 22:00 NZST.
Understanding and predicting Snow Conditions in Unterwasser
Here are our tips for making the most of a trip to Unterwasser, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Unterwasser, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.
Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:
Pistes (Groomers) or Off-Piste
These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.
- Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
- Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.
WARNING - skiing off-piste (out-of-bounds) at Unterwasser is uncontrolled and un-marked slopes are not made safe (from avalanche risk) or patrolled. Always check local advice, know the Avalanche Risk Level, ski with safety kit (and know how to use it), and never ski alone.
Analyzing Weather and Snowfall Forecasts
Whilst no forecast can tell you exactly how snow conditions in Unterwasser will develop, checking the forecast regularly should give you an idea of what to expect.
New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.
Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.
Predicting Future Snow Quality
Regularly check our snow and weather forecasts for Unterwasser for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.
Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.