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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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Dolphin Valley at 720 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | |  | | | |  | |  |  | |
cloudy | rain shwrs | light snow | snow shwrs | snow shwrs | some clouds | clear | cloudy | heavy rain | snow shwrs | light snow | light snow | snow shwrs | clear | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 1 | 1 | — | — | — | — | — | 1 | — | 1 | — | — | — | — | — | — | |
— | 1 | 4 | — | — | — | — | — | 15 | — | — | — | — | — | — | — | — | — | |
max °C | 8 | 7 | 6 | 0 | -1 | -2 | 5 | 6 | 3 | 3 | 2 | 0 | 2 | 3 | -2 | 5 | 6 | 4 |
min °C | 5 | 5 | 0 | -1 | -2 | -3 | 1 | 3 | 2 | 1 | 0 | 0 | 1 | -1 | -2 | 2 | 2 | 3 |
2 | 0 | -6 | -7 | -8 | -5 | -2 | 0 | -2 | -6 | -6 | -6 | -5 | -4 | -4 | -1 | -2 | -1 | |
55 | 75 | 93 | 92 | 80 | 71 | 50 | 71 | 95 | 82 | 84 | 95 | 80 | 71 | 76 | 65 | 76 | 87 | |
1950 | 1700 | 1250 | 600 | 600 | 350 | 1200 | 1500 | 1850 | 900 | 850 | 800 | 800 | 950 | 600 | 1050 | 1350 | 1450 | |
 | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 4:55 | — | — | 4:55 | — | — | 4:55 | — | — | 4:55 | — | — | 4:57 | — | — | 4:57 | — |
Next 0-3 days weather summary:
A dusting of snow. Milder later with heavy rain (total 20.0mm) on Sat night. Freeze-thaw conditions (max 8°C on Thu morning, min -3°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the WNW by Sat night).
Next 4-6 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 6°C on Tue afternoon, min -2°C on Mon night). Winds decreasing (strong winds from the WNW on Sun morning, calm by Mon night).
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Snow Radar
Latest snow reports near Dolphin Valley:
Dolphin Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 4 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Dolphin Valley Forecast Snowfall
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Dolphin Valley at the specific elevation of 720 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Dolphin Valley. 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.
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