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 19 April.
Updated 19 April 2025 14:34 NZST.
| Next Snow Expected | 24 April |
|---|---|
| Next Snow Amount | 2cm |
| Next 48 Hours | - |
| Next 7 Days | 10cm |
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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 17℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 17℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
19
Snow unlikely
Clear sky first, clear spells then cloudy, clear sky 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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| Sat 19 | Sun 20 | Mon 21 | Tue 22 | Wed 23 | Thu 24 | Fri 25 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F2 | S F2 | |||||
| 2,262m | 8℃
| 6℃
| 6℃
| 5℃
| 6℃
+2cm
| -2℃
 +6cm
| 3℃
+1cm
|
| SE F2 | S F2 | ||||||
| 1,581m | 12℃
| 10℃
| 10℃
| 10℃
| 11℃
| 2℃
+2cm
| 7℃
|
| 900m | 17℃
| 16℃
| 13℃
| 13℃
| 13℃
| 6℃
| 11℃
|
| Snow Line | varying 1,759m | varying 1,379m | 1,349m | ||||
| Max Town | 17℃ | 16℃ | 13℃ | 13℃ | 13℃ | 6℃ | 11℃ |
| Min Town | 5℃ | 7℃ | 7℃ | 7℃ | 6℃ | 4℃ | 4℃ |
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 17℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 17℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
19
Snow unlikely
Clear sky first, clear spells then cloudy, clear sky later.
Max 16℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 16℃
Temperature at BaseTemp at Base
Sun
20
Snow unlikely
Clear spells early, then cloudy later.
Max 13℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 13℃
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Cloudy early, then clear spells later.
Max 13℃
Min 7℃
Valley temperatures from an overnight low of 7℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Fair, clear spells, cloudy later.
Max 13℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 13℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
23
up to 2cm New Snow
Fair, clear spells, rain later.
Snow Line from 1,759m to 1,459m, with rain below.
Max 6℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 6℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
24
up to 6cm New Snow
Light rain first, light snow showers at altitude then light rain showers, cloudy later.
Snow Line from 1,379m to 1,139m, with rain below.
Max 11℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 11℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
25
up to 1cm New Snow
Light rain early, then clear spells later.
Snow falling to 1,349m, with rain below.
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 14:34 NZST, next update expected 20:00 NZST.
Snow Forecast near Unterwasser
| Snow Report and Forecast | 48 Hr | Sat | Sun | Mon | Tue | Wed | Thu | Fri | 7 Day |
|---|---|---|---|---|---|---|---|---|---|
| Schwägalp | - | 21cm | |||||||
| Wildhaus | - | 12cm | |||||||
| Flims | - | 10cm | |||||||
| Flumserberg | - | 10cm | |||||||
| Laterns | - | 1cm | |||||||
| Dunserberg | - | 1cm |
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.