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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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Shirakabako Royal Hill at 1600 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 10 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | |  |  |  | |  | | | | |
some clouds | clear | clear | light snow | snow shwrs | clear | some clouds | clear | some clouds | snow shwrs | mod. snow | snow shwrs | clear | clear | snow shwrs | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 5 | — | — | — | — | — | 2 | 9 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | 2 | 2 | -1 | -7 | -7 | -8 | -3 | 0 | -1 | 1 | 0 | -5 | -5 | -5 | -6 |
min °C | -2 | 0 | 0 | -7 | -7 | -9 | -10 | -6 | -1 | -2 | 0 | -3 | -6 | -6 | -5 | -7 |
-4 | -5 | -7 | -14 | -14 | -16 | -16 | -10 | -6 | -7 | -4 | -10 | -12 | -11 | -10 | -12 | |
53 | 30 | 51 | 99 | 63 | 55 | 80 | 44 | 39 | 60 | 99 | 92 | 74 | 78 | 69 | 82 | |
1300 | 1700 | 1900 | 1300 | 550 | 600 | 0 | 600 | 1550 | 1050 | 1700 | 1650 | 600 | 750 | 1000 | 300 | |
 | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Thu night. Freeze-thaw conditions (max 2°C on Thu morning, min -10°C on Fri night). Winds increasing (light winds from the WSW on Wed night, fresh winds from the SW by Thu afternoon).
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Sun morning. Freeze-thaw conditions (max 1°C on Sun morning, min -7°C on Mon night). Wind will be generally light.
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Latest snow reports near Shirakabako Royal Hill:
Shirakabako Royal Hill Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
Shirakabako Royal Hill Forecast Snowfall
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Photos of Shirakabako Royal Hill
Good condition by Kotomi
Night skiing by Kotomi
Lake Shirakaba by Kotomi
Upload new photo Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Shirakabako Royal Hill at the specific elevation of 1600 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shirakabako Royal Hill. 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 Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Shirakabako Royal Hill
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