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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
View forecast
Boreal Mountain at 2378 m altitude
Issued by Snow-Forecast.com at: 9 am (local time) / 10 Dec 2025
Now
Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | | | | | | | | |  | | | |  | |
clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | clear | cloudy | clear | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 13 | 11 | 9 | 13 | 11 | 8 | 13 | 11 | 8 | 10 | 9 | 6 | 8 | 7 | 6 | 8 | 7 | 5 |
min °C | 12 | 9 | 9 | 12 | 8 | 7 | 11 | 8 | 7 | 10 | 7 | 5 | 7 | 6 | 5 | 8 | 5 | 4 |
12 | 9 | 9 | 12 | 8 | 6 | 11 | 6 | 7 | 10 | 5 | 2 | 4 | 4 | 2 | 5 | 2 | 0 | |
32 | 35 | 22 | 12 | 17 | 23 | 14 | 19 | 18 | 16 | 25 | 21 | 15 | 20 | 19 | 25 | 43 | 28 | |
4100 | 4100 | 4150 | 4150 | 4100 | 4100 | 4100 | 4050 | 4000 | 3800 | 3650 | 3550 | 3450 | 3600 | 3650 | 3650 | 3400 | 3600 | |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — |
Next 0-3 days weather summary:
Mostly dry. Very mild (max 13°C on Wed morning, min 7°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Very mild (max 10°C on Sat morning, min 4°C on Mon night). Wind will be generally light.
Popular Boreal Mountain Pages
Snow Radar
Latest snow reports near Boreal Mountain:
Boreal Mountain Snow Conditions
| Top snow depth: | 20 cm |
|---|---|
| Bottom snow depth: | 20 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 2 of December has on average:
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | 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 2378 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
- peacockdreams from Australia writes:
Boreal is awesome! I travel there every winter from Australia to spend 3 months riding Boreal. It has the best terrain parks around the lake and is always one of the first mountains to open at the start of the season and one of the last to close! The passes are cheap and the night riding is off the hook! With the addition of a Big Air Bag this season, Boreal is park riders dream come true!
Visitor Reviews of Boreal Mountain
peacockdreams from Australia writes:
Boreal is awesome! I travel there every winter from Australia to spend 3 months riding Boreal. It has the best terrain parks around the lake and is always one of the first mountains to open at the start of the season and one of the last to close! The passes are cheap and the night riding is off the hook! With the addition of a Big Air Bag this season, Boreal is park riders dream come true!
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