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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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Ogaya at 657 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 19 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  | |  | | | | | |  |  |  |  | |
clear | cloudy | clear | clear | some clouds | light rain | light rain | light rain | some clouds | light rain | clear | some clouds | cloudy | light rain | heavy rain | heavy rain | rain shwrs | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 3 | 4 | 1 | — | 2 | — | — | — | 1 | 15 | 23 | 5 | 2 | |
max °C | 9 | 9 | 7 | 12 | 12 | 11 | 10 | 6 | 3 | 3 | 3 | 1 | 7 | 5 | 8 | 11 | 10 | 5 |
min °C | 6 | 5 | 6 | 9 | 9 | 10 | 9 | 5 | 1 | 2 | 0 | 0 | 5 | 5 | 5 | 10 | 6 | 0 |
4 | 2 | 3 | 7 | 7 | 8 | 7 | 2 | -3 | -2 | -4 | -2 | 2 | 0 | 0 | 6 | 2 | -5 | |
50 | 39 | 80 | 77 | 70 | 86 | 97 | 93 | 80 | 92 | 72 | 63 | 65 | 82 | 97 | 96 | 96 | 92 | |
2600 | 2700 | 2450 | 2600 | 2800 | 2950 | 2800 | 1950 | 950 | 950 | 950 | 1850 | 2100 | 2300 | 2300 | 2600 | 2550 | 1200 | |
 | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — |
 | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — | — | 4:53 | — | — | 4:54 | — |
Next 0-3 days weather summary:
Light rain (total 8.0mm), mostly falling on Sun morning. Very mild (max 12°C on Sat morning, min 1°C on Sun night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 48.0mm), heaviest during Wed morning. Freeze-thaw conditions (max 11°C on Wed morning, min 0°C on Mon afternoon). Winds increasing (calm on Mon night, strong winds from the SSE by Tue night).
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Latest snow reports near Ogaya:
Ogaya Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 15 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Okayama 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. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Ogaya Forecast Snowfall
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Other resorts in Japan - Okayama are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Ogaya at the specific elevation of 657 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Ogaya. 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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