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Japan Weekly Snow Roundup #292
Weekly Snow News for Japan, updated 10 December 2025: early-season bases deepen rapidly as Siberian air drives repeated snow across Hokkaido and Honshu
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Riederalp - Aletsch at 2488 m altitude
Issued by Snow-Forecast.com at: 6 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | | | | | |  | | | | |
cloudy | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | -1 | -2 | -2 | -3 |
min °C | 1 | 0 | 0 | 2 | 1 | -1 | 1 | -1 | -1 | 1 | 0 | 0 | 0 | -1 | -3 | -2 | -3 | -3 |
1 | 0 | 0 | 2 | 1 | -1 | 1 | -1 | -1 | 1 | 0 | 0 | -2 | -4 | -8 | -6 | -6 | -6 | |
52 | 59 | 49 | 45 | 49 | 43 | 46 | 56 | 39 | 32 | 37 | 27 | 32 | 38 | 44 | 65 | 71 | 67 | |
2650 | 2550 | 2700 | 2900 | 2850 | 2450 | 2600 | 2500 | 2200 | 2800 | 2750 | 2550 | 2600 | 2500 | 1700 | 1950 | 1950 | 1800 | |
 | 8:00 | — | — | 8:00 | — | — | 8:02 | — | — | 8:03 | — | — | 8:03 | — | — | 8:03 | — | — |
 | — | 4:40 | — | — | 4:40 | — | — | 4:40 | — | — | 4:40 | — | — | 4:40 | — | — | 4:40 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Fri morning, min -1°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Mon night). Wind will be generally light.
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Latest snow reports near Riederalp - Aletsch:
Riederalp - Aletsch Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Switzerland are reporting: powder (7) / good piste (15)
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Snow History
Week 2 of December has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
2.1 | Bluebird days Average snow, mostly sunny, light wind. |
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Riederalp - Aletsch Forecast Snowfall
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Photos of Riederalp - Aletsch
Upload new photo Other resorts in Switzerland are reporting: powder (7) / good piste (15)
The above table gives the weather forecast for Riederalp - Aletsch at the specific elevation of 2488 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Riederalp - Aletsch. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Switzerland.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Riederalp - Aletsch
Overall 4.1 Based on 1 vote and 1 review
- Snowsure
- Variety of pistes
- Vote
- Koen Braak from Netherlands writes:
Almost every Christmas I spend the holiday in Fiesch in the Aletsch region with my family. Fiesch, Fiescheralp, Betmmeralp and Riederalp have many not too expensive chalets for rent, ideal for families. The villages are charming and snow covered, breathing Swiss tradition. Don’t expect a thrilling night life. The Alps and the great Aletsch gletscher are UNESCO protected, securing a beautiful environment for the future. The panoramas are one of the most beautiful in European Alps. Since the UNESCO status, no new lifts have been opened, but the capacity and quality of the existing lifts has been increased during the last years. A good connection lift between Bettmeralp and Kuhboden (Fiescheralp) is lacking and the slopes are for good skiers only. When the red Aletsch piste in Bettmeralp is closed, you have to take a few small lifts to get in Riederalp. Also within Riederalp slopes are not good connected. Especially for snowboarders this can be annoying. The ski area has some exciting runs. You can ski from the Eggishorn (2900 metres) to Fiesch (1050 metre), a drop of almost 2 km with steep slopes and a controlled off-piste route. The real pros can take a steep freeride route from the top with their own security equipment. Another experience is the steep, but short, slope after skiing through a 100 meter skitunnel from the Bettmerhorn. You can choose to ski off-piste to Bettmeralp. In Riederalp sometimes a slalom run is opened, the one in Fiescheralp is for groups only. After a good dump of snow, the young locals know, you can descend from Bettmeralp and Riederalp into the valley. These are freeride routes and not on the map. With the Aletsch ski pass you can visit Muhlebach near Ernen. This calm and tiny area only has four lifts, but with nice red runs and off piste possibilities when the off piste snow in the Aletsch area already has been packed by an overkill of skiers and boarders (in the holidays). It seems the Swiss are trying to avoid risk (more than the French do). This area is missing a proper fun park with a lift. In Fiescheralp, there are some cheap and badly groomed plastic slides with scratches on the surface, a cheap rainbow and some badly shaped jumps. In Bettmeralp there are three jumps of a quality far below international freestyle standards. The slope control doesn’t like people building their own kicker. Sometimes I ended up confused when lifts are closed due to “bad weather”, despite perfect snow conditions. The Aletsch area is not for freestyle. Great for families. Also expert skiers can have fun!
Visitor Reviews of Riederalp - Aletsch
Koen Braak from Netherlands writes:
Almost every Christmas I spend the holiday in Fiesch in the Aletsch region with my family. Fiesch, Fiescheralp, Betmmeralp and Riederalp have many not too expensive chalets for rent, ideal for families. The villages are charming and snow covered, breathing Swiss tradition. Don’t expect a thrilling night life.
The Alps and the great Aletsch gletscher are UNESCO protected, securing a beautiful environment for the future. The panoramas are one of the most beautiful in European Alps. Since the UNESCO status, no new lifts have been opened, but the capacity and quality of the existing lifts has been increased during the last years. A good connection lift between Bettmeralp and Kuhboden (Fiescheralp) is lacking and the slopes are for good skiers only. When the red Aletsch piste in Bettmeralp is closed, you have to take a few small lifts to get in Riederalp. Also within Riederalp slopes are not good connected. Especially for snowboarders this can be annoying.
The ski area has some exciting runs. You can ski from the Eggishorn (2900 metres) to Fiesch (1050 metre), a drop of almost 2 km with steep slopes and a controlled off-piste route. The real pros can take a steep freeride route from the top with their own security equipment. Another experience is the steep, but short, slope after skiing through a 100 meter skitunnel from the Bettmerhorn. You can choose to ski off-piste to Bettmeralp.
In Riederalp sometimes a slalom run is opened, the one in Fiescheralp is for groups only.
After a good dump of snow, the young locals know, you can descend from Bettmeralp and Riederalp into the valley. These are freeride routes and not on the map.
With the Aletsch ski pass you can visit Muhlebach near Ernen. This calm and tiny area only has four lifts, but with nice red runs and off piste possibilities when the off piste snow in the Aletsch area already has been packed by an overkill of skiers and boarders (in the holidays).
It seems the Swiss are trying to avoid risk (more than the French do). This area is missing a proper fun park with a lift. In Fiescheralp, there are some cheap and badly groomed plastic slides with scratches on the surface, a cheap rainbow and some badly shaped jumps. In Bettmeralp there are three jumps of a quality far below international freestyle standards. The slope control doesn’t like people building their own kicker. Sometimes I ended up confused when lifts are closed due to “bad weather”, despite perfect snow conditions.
The Aletsch area is not for freestyle. Great for families. Also expert skiers can have fun!
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