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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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O2 Ski Resort at 1420 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 | |
 |  | |  |  |  | | | | | | |  |  | |  | |
clear | clear | clear | some clouds | cloudy | some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | light snow | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 2 | 3 | 4 | 5 | 3 | 4 | 5 | 5 | 2 | -6 | -5 | -4 | -4 | -4 | -3 |
min °C | -3 | 1 | 2 | 3 | 5 | 2 | 3 | 4 | 3 | -4 | -6 | -5 | -6 | -5 | -4 | -5 |
-6 | -4 | -3 | -2 | -1 | -6 | -4 | -2 | -3 | -13 | -16 | -10 | -10 | -11 | -8 | -10 | |
29 | 16 | 12 | 13 | 11 | 55 | 62 | 96 | 98 | 86 | 22 | 23 | 83 | 96 | 96 | 78 | |
550 | 1600 | 1900 | 2600 | 2650 | 2500 | 2850 | 3150 | 3050 | 1650 | 500 | 700 | 500 | 700 | 850 | 700 | |
 | — | 7:31 | — | — | 7:31 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | — | 5:07 | — | — | 5:08 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 5°C on Fri morning, min -3°C on Wed night). Winds increasing (light winds from the W on Wed night, near gales from the SW by Fri night).
Next 4-6 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 2°C on Sat night, min -6°C on Sun morning). Winds decreasing (strong winds from the W on Sat night, light winds from the NNE by Sun afternoon).
Popular O2 Ski Resort Pages
Snow Radar
Latest snow reports near O2 Ski Resort:
O2 Ski Resort Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in South Korea are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
4.4 | Bluebird days Average snow, mostly sunny, light wind. |
O2 Ski Resort Forecast Snowfall
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Photos of O2 Ski Resort
Beginner Course by Byung Chun, Moon
O2 Resort Condo.. by Byung Chun, Moon
O2 Resort by Byung Chun, Moon
Upload new photo Other resorts in South Korea are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for O2 Ski Resort at the specific elevation of 1420 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of O2 Ski Resort. 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 South Korea.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of O2 Ski Resort
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