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 30 June.
Updated 29 June 2025 19:31 PDT.
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Unterwasser. |
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 84°F
Min 63°F
Valley temperatures from an overnight low of 63°F to daytime highs around 84°F
Temperature at BaseTemp at Base
Mon
30
Snow unlikely
Cloudy first, clear spells then rain showers, cloudy later.
Unterwasser has no new snow forecast in the next 48 hours.
Unterwasser Snow Report
Snow report from Wildhaus (2 miles from Unterwasser)
| Upper Snow Depths | 43in |
|---|---|
| Lower Snow Depths | 8in |
| Snow Conditions | - |
Ski area reported to be open, with 2 lifts running.
Unterwasser 7-Day Snow Forecast Overview
Get this snow forecast by e-mail
| Mon 30 | Tue 01 | Wed 02 | Thu 03 | Fri 04 | Sat 05 | Sun 06 | |
|---|---|---|---|---|---|---|---|
| Wind | |||||||
| 7,421ft | 66°F
| 64°F
| 69°F
| 60°F
| 53°F
 | 46°F
| 50°F
|
| 5,187ft | 74°F
| 72°F
| 77°F
| 68°F
| 61°F
| 54°F
| 58°F
|
| 2,953ft | 84°F
| 80°F
| 83°F
| 74°F
| 65°F
| 62°F
| 64°F
 |
| Snow Line | |||||||
| Max Town | 84°F | 80°F | 83°F | 74°F | 65°F | 62°F | 64°F |
| Min Town | 63°F | 62°F | 61°F | 64°F | 57°F | 52°F | 51°F |
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 84°F
Min 63°F
Valley temperatures from an overnight low of 63°F to daytime highs around 84°F
Temperature at BaseTemp at Base
Mon
30
Snow unlikely
Cloudy first, clear spells then rain showers, cloudy later.
Max 80°F
Min 62°F
Valley temperatures from an overnight low of 62°F to daytime highs around 80°F
Temperature at BaseTemp at Base
Tue
01
Snow unlikely
Clear spells, rain showers, fair later.
Max 83°F
Min 61°F
Valley temperatures from an overnight low of 61°F to daytime highs around 83°F
Temperature at BaseTemp at Base
Wed
02
Snow unlikely
Clear spells, clear sky, cloudy later.
Max 74°F
Min 64°F
Valley temperatures from an overnight low of 64°F to daytime highs around 74°F
Temperature at BaseTemp at Base
Thu
03
Snow unlikely
Fair first, cloudy then rain showers, fog later.
Max 65°F
Min 57°F
Valley temperatures from an overnight low of 57°F to daytime highs around 65°F
Temperature at BaseTemp at Base
Fri
04
Snow unlikely
Fog first, rain showers then cloudy, rain showers later.
Max 62°F
Min 52°F
Valley temperatures from an overnight low of 52°F to daytime highs around 62°F
Temperature at BaseTemp at Base
Sat
05
Snow unlikely
Cloudy.
Max 64°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 64°F
Temperature at BaseTemp at Base
Sun
06
Snow unlikely
Clear spells first, cloudy then light rain, 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 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 19:31 PDT, next update expected 01:00 PDT.
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.