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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
Royal Mountain at 535 m altitude
Issued by Snow-Forecast.com at: 12 pm (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 | |
 | |  |  |  |  | | | | | |  | |  |  | | | | |
light snow | light snow | light snow | some clouds | cloudy | some clouds | some clouds | some clouds | some clouds | cloudy | light snow | cloudy | light snow | snow shwrs | snow shwrs | some clouds | cloudy | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | -1 | -1 | -10 | -10 | -11 | -7 | -7 | -8 | -5 | -5 | -8 | -9 | -9 | -11 | -10 | -10 | -9 |
min °C | -1 | -1 | -8 | -10 | -10 | -12 | -9 | -8 | -9 | -6 | -7 | -10 | -9 | -11 | -12 | -11 | -11 | -11 |
-8 | -8 | -18 | -21 | -21 | -22 | -18 | -16 | -16 | -11 | -13 | -16 | -15 | -17 | -20 | -20 | -18 | -17 | |
90 | 97 | 98 | 76 | 78 | 71 | 69 | 62 | 88 | 77 | 94 | 74 | 75 | 83 | 95 | 64 | 69 | 95 | |
0 | 300 | 400 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — |
 | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — | — | 4:19 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Wed afternoon. Temperatures will be below freezing (max 0°C on Wed morning, min -12°C on Thu night). Winds decreasing (strong winds from the W on Thu morning, light winds from the WSW by Fri night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -5°C on Sat morning, min -12°C on Sun night). Wind will be generally light.
Popular Royal Mountain Pages
Snow Radar
Latest snow reports near Royal Mountain:
Royal Mountain Snow Conditions
| Top snow depth: | 25 cm |
|---|---|
| Bottom snow depth: | 18 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 2 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - New York are reporting: powder (0) / good piste (4)
Snow History
Week 2 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
1.0 | Bluebird days Average snow, mostly sunny, light wind. |
Royal Mountain Forecast Snowfall
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Other resorts in USA - New York are reporting: powder (0) / good piste (4)
The above table gives the weather forecast for Royal Mountain at the specific elevation of 535 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Royal 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.
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