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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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Boreal Mountain at 2195 m altitude
Issued by Snow-Forecast.com at: 3 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | |  |  | |  | | |  | | | | |
some clouds | some clouds | snow shwrs | light snow | mod. rain | mod. rain | mod. rain | heavy rain | heavy rain | light snow | mod. snow | light snow | light snow | heavy snow | light snow | light snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | 3 | 5 | — | — | — | — | — | 2 | 10 | 3 | 2 | 17 | 3 | 2 | 24 | |
— | — | 1 | 6 | 8 | 6 | 9 | 57 | 30 | 6 | — | — | — | — | — | — | — | |
max °C | 4 | 2 | 4 | 1 | 2 | 3 | 2 | 4 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | -1 | -1 |
min °C | 2 | 2 | 0 | 0 | 1 | 2 | 2 | 2 | 3 | 1 | 0 | 0 | 0 | -1 | 0 | -1 | -4 |
-5 | -5 | -7 | -7 | -6 | -3 | -3 | -4 | -3 | -6 | -6 | -6 | -6 | -9 | -9 | -11 | -11 | |
52 | 53 | 60 | 98 | 94 | 96 | 99 | 98 | 99 | 97 | 99 | 99 | 96 | 98 | 93 | 90 | 92 | |
3000 | 3300 | 3050 | 2800 | 2650 | 2750 | 2750 | 2950 | 2850 | 2550 | 2300 | 2450 | 2450 | 2200 | 2250 | 2150 | 2200 | |
 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:40 | — | — | 4:42 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Fri afternoon will be washed away by heavy rain (total 117.0mm) on Sat night. Freeze-thaw conditions (max 4°C on Thu afternoon, min 0°C on Fri morning). Winds decreasing (strong winds from the WSW on Thu night, moderate winds from the SW by Sat morning).
Next 4-6 days weather summary:
Light rain (total 6.0mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 2°C on Sun afternoon, min -4°C on Tue night). Winds increasing (moderate winds from the SW on Sun night, gales from the S by Tue night).
Popular Boreal Mountain Pages
Snow Radar
Latest snow reports near Boreal Mountain:
Boreal Mountain Snow Conditions
| Top snow depth: | 43 cm |
|---|---|
| Bottom snow depth: | 43 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 20 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - California are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Boreal Mountain Forecast Snowfall
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Other resorts in USA - California are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Boreal Mountain at the specific elevation of 2195 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Boreal Mountain. 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 Boreal Mountain
Overall 3.4 Based on 2 votes and 4 reviews
- Snowsure
- Variety of pistes
- Vote
- TJ from United States writes:
Boreal Mountain is definitely a lower-key mountain that's for sure, but not a waste of time for everybody. It's got one of the best selection of terrain parks for all levels (including a super-pipe). Combine that with night skiing, decent prices & student discounts and you've got yourself a nice little resort.
Visitor Reviews of Boreal Mountain
TJ from United States writes:
Boreal Mountain is definitely a lower-key mountain that's for sure, but not a waste of time for everybody.
It's got one of the best selection of terrain parks for all levels (including a super-pipe). Combine that with night skiing, decent prices & student discounts and you've got yourself a nice little resort.
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