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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Sky Valley (Japan) at 507 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 17 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  |  | |  |  | | | | | | |
mod. rain | rain shwrs | clear | clear | clear | cloudy | some clouds | some clouds | some clouds | light rain | light rain | light rain | light rain | light rain | cloudy | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
7 | 1 | — | — | — | — | — | — | — | 1 | 5 | 5 | 5 | 2 | — | — | |
max °C | 5 | 6 | 7 | 3 | 12 | 10 | 7 | 15 | 14 | 11 | 11 | 9 | 7 | 4 | 4 | 3 |
min °C | 3 | 4 | 3 | 3 | 7 | 6 | 7 | 11 | 10 | 10 | 10 | 8 | 4 | 4 | 3 | 3 |
1 | 2 | 3 | 3 | 6 | 4 | 4 | 10 | 9 | 8 | 8 | 6 | 0 | 0 | 0 | 0 | |
95 | 78 | 63 | 64 | 45 | 50 | 89 | 74 | 64 | 81 | 92 | 96 | 95 | 89 | 81 | 78 | |
1200 | 1000 | 1300 | 2250 | 2600 | 2750 | 2600 | 2650 | 2750 | 2900 | 2850 | 2500 | 1350 | 1050 | 950 | 1050 | |
 | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | — | 4:51 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — |
Next 0-3 days weather summary:
Light rain (total 8.0mm), mostly falling on Wed night. Very mild (max 15°C on Sat morning, min 3°C on Wed night). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 18.0mm), heaviest on Sun morning. Very mild (max 11°C on Sat night, min 3°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Sky Valley (Japan):
Sky Valley (Japan) Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 15 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hyogo are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Sky Valley (Japan) Forecast Snowfall
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Other resorts in Japan - Hyogo are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Sky Valley (Japan) at the specific elevation of 507 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sky Valley (Japan). 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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