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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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Great Bear Ski Valley at 457 m altitude
Issued by Snow-Forecast.com at: 5 pm (local time) / 10 Dec 2025
Now
Wed 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | |  |  | |  |  | | | | |
cloudy | cloudy | light snow | light snow | light snow | light snow | cloudy | cloudy | light snow | some clouds | clear | some clouds | clear | some clouds | some clouds | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | 2 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -7 | -8 | -5 | -4 | -6 | -8 | -11 | -15 | -16 | -16 | -20 | -15 | -13 | -2 | 1 | 0 | -1 |
min °C | -8 | -10 | -6 | -5 | -9 | -10 | -13 | -16 | -16 | -19 | -23 | -21 | -13 | -9 | -3 | -4 | -6 |
-16 | -15 | -11 | -9 | -14 | -19 | -23 | -25 | -25 | -28 | -29 | -21 | -21 | -18 | -8 | -7 | -6 | |
81 | 79 | 90 | 95 | 97 | 88 | 77 | 74 | 80 | 74 | 85 | 77 | 72 | 67 | 78 | 79 | 82 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:46 | — | — | 7:47 | — | — |
 | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Thu afternoon. Temperatures will be below freezing (max -4°C on Thu afternoon, min -16°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 5°C on Tue morning, min -23°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the SW by Sun night).
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Latest snow reports near Great Bear Ski Valley:
Great Bear Ski Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - South Dakota 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. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
Great Bear Ski Valley Forecast Snowfall
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Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Great Bear Ski Valley at the specific elevation of 457 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Great Bear Ski 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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