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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Alpental At The Summit at 1304 m altitude
Issued by Snow-Forecast.com at: 9 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | | |  | |  |  |  | | | | | | |
mod. snow | heavy rain | heavy snow | light snow | mod. snow | heavy snow | mod. snow | light snow | light snow | light snow | heavy snow | mod. snow | cloudy | light snow | mod. snow | light snow | cloudy | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
6 | — | 15 | 4 | 6 | 14 | 6 | 5 | 3 | 3 | 11 | 9 | — | 2 | 7 | — | — | 2 | |
— | 24 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 2 | 1 | -4 | -4 | -3 | -2 | -2 | -2 | -2 | -2 | -3 | -2 | -3 | -3 | -1 | -1 | -2 |
min °C | -2 | 2 | -5 | -4 | -4 | -4 | -3 | -2 | -2 | -2 | -3 | -4 | -3 | -3 | -3 | -2 | -1 | -2 |
-6 | -2 | -12 | -10 | -11 | -9 | -7 | -5 | -5 | -6 | -7 | -9 | -7 | -7 | -7 | -2 | -4 | -6 | |
94 | 98 | 97 | 97 | 98 | 97 | 98 | 98 | 91 | 92 | 98 | 98 | 77 | 93 | 97 | 87 | 78 | 93 | |
950 | 2050 | 900 | 700 | 700 | 700 | 900 | 950 | 650 | 950 | 900 | 850 | 850 | 800 | 750 | 1000 | 1200 | 900 | |
 | 7:48 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — |
 | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — |
Next 0-3 days weather summary:
Heavy rain (total 24.0mm) on Thu afternoon. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Thu afternoon, min -5°C on Thu night). Winds decreasing (fresh winds from the W on Thu night, light winds from the SSW by Sat night).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sun afternoon. Temperatures will be below freezing (max -1°C on Tue morning, min -4°C on Sun night). Wind will be generally light.
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Latest snow reports near Alpental At The Summit:
0 km away from Alpental At The Summit
18 hours ago
Snowing at a moderate rate at Alpental At The Summit. from Alpental At The Summit
Alpental At The Summit Snow Conditions
| Top snow depth: | 0 cm |
|---|---|
| Bottom snow depth: | 0 cm |
| Fresh snowfall depth: | 28 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Washington are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.4 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Alpental At The Summit Forecast Snowfall
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Photos of Alpental At The Summit
Surfing the Cliffs by Alexander Chamas
3ft (90cm) in the past 48hrs by Snow Forecast Admin
Upload new photo Other resorts in USA - Washington are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Alpental At The Summit at the specific elevation of 1304 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Alpental At The Summit. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Alpental At The Summit
Overall 3.1 Based on 12 votes and 10 reviews
- Snowsure
- Variety of pistes
- Vote
- Will from United States writes:
Both Alpental (plus Snoqualmie Pass back country) and Stevens are situated at passes which divide two very different air masses; often cold continental high pressure and maritime low pressure (the later driven by prevailing westerlies, over the longest fetch on the planet). The Cascade Mountains offer up one of the steepest slopes anywhere on earth. Moist air is forced up causing winter precip nearly unmatched anywhere giving these places arguably more powder days per steep than anywhere else. Combine that with the notorious low level "easterly flow" that can maintain lower temps than anywhere at these elevations (just fractions of a mile to the west) and you've got winter wonderlands like no others. Alpental, however, has little in the way of any "bunny" slopes, separating this mountain and it's regulars from other areas with pretty much only serious to hard core skiers. This place is not for Texas wanna-be skiers, or anyone looking for a 5 star hotel with a hot tub....go back to Seattle.
Visitor Reviews of Alpental At The Summit
Will from United States writes:
Both Alpental (plus Snoqualmie Pass back country) and Stevens are situated at passes which divide two very different air masses; often cold continental high pressure and maritime low pressure (the later driven by prevailing westerlies, over the longest fetch on the planet). The Cascade Mountains offer up one of the steepest slopes anywhere on earth. Moist air is forced up causing winter precip nearly unmatched anywhere giving these places arguably more powder days per steep than anywhere else. Combine that with the notorious low level "easterly flow" that can maintain lower temps than anywhere at these elevations (just fractions of a mile to the west) and you've got winter wonderlands like no others. Alpental, however, has little in the way of any "bunny" slopes, separating this mountain and it's regulars from other areas with pretty much only serious to hard core skiers. This place is not for Texas wanna-be skiers, or anyone looking for a 5 star hotel with a hot tub....go back to Seattle.
Read 9 more reviews of Alpental At The Summit or submit your own
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