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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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Dolphin Valley at 1150 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 | |
 |  | |  |  |  |  | | |  |  |  |  |  | | | |
snow shwrs | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | some clouds | light rain | mod. rain | light rain | light snow | light snow | some clouds | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 5 | 7 | 1 | 1 | — | — | — | |
max °C | 1 | 2 | 3 | 6 | 8 | 7 | 7 | 9 | 10 | 10 | 8 | 4 | 3 | 1 | 0 | 2 |
min °C | 0 | 1 | 2 | 4 | 7 | 6 | 5 | 8 | 9 | 9 | 6 | 3 | 1 | -1 | 0 | 1 |
-5 | -1 | 2 | 3 | 4 | 1 | 0 | 4 | 6 | 5 | 2 | -1 | -4 | -7 | -6 | -3 | |
96 | 76 | 81 | 32 | 27 | 44 | 74 | 81 | 76 | 77 | 99 | 95 | 97 | 90 | 78 | 45 | |
1150 | 1300 | 1450 | 2400 | 2650 | 2650 | 2600 | 2650 | 2800 | 2900 | 2800 | 2350 | 1550 | 1250 | 1100 | 1800 | |
 | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — |
 | — | — | 4:58 | — | — | 4:58 | — | — | 4:59 | — | — | 4:59 | — | — | 5:00 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 10°C on Sat afternoon, min 0°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the SSW by Fri night).
Next 4-6 days weather summary:
Moderate rain (total 14.0mm), heaviest on Sun morning. Freeze-thaw conditions (max 10°C on Sat night, min -1°C on Mon morning). Winds decreasing (strong winds from the WSW on Sat night, light winds from the ESE 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: | 15 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.7 | 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 1150 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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