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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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Onbara Kogen at 900 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 11 Dec 2025
Now
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  |  | | | | |  | | |  | |
light rain | light snow | light snow | light snow | snow shwrs | clear | some clouds | heavy rain | snow shwrs | light snow | snow shwrs | light snow | snow shwrs | clear | some clouds | some clouds | cloudy | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 4 | 3 | 1 | — | — | — | — | — | 1 | 7 | 2 | — | — | — | — | — | |
1 | 2 | — | — | — | — | — | 11 | 2 | — | — | — | — | — | — | — | — | |
max °C | 7 | 5 | -3 | -3 | -1 | 2 | 4 | 3 | 2 | 0 | -1 | 0 | 1 | 0 | 3 | 4 | 3 |
min °C | 6 | -2 | -3 | -3 | -3 | 0 | 3 | 3 | 1 | 0 | -1 | 0 | -1 | -1 | 1 | 2 | 3 |
1 | -9 | -10 | -10 | -9 | -2 | -1 | -1 | -7 | -8 | -8 | -6 | -5 | -4 | -3 | -4 | -2 | |
71 | 96 | 93 | 87 | 90 | 58 | 70 | 95 | 98 | 91 | 92 | 93 | 85 | 68 | 80 | 82 | 92 | |
1850 | 1150 | 550 | 550 | 400 | 900 | 1750 | 1600 | 1250 | 950 | 800 | 850 | 950 | 650 | 1100 | 1350 | 1500 | |
 | — | — | 7:01 | — | — | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — |
 | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:52 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Thu night. Becoming milder with moderate rain (total 16.0mm) heaviest on Sat night. Freeze-thaw conditions (max 7°C on Thu afternoon, min -3°C on Fri morning). Winds increasing (calm on Fri night, near gales from the WNW by Sun morning).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Sun night. Becoming milder with light rain (total 2.0mm) on Wed morning. Freeze-thaw conditions (max 5°C on Wed morning, min -1°C on Sun night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the WNW by Mon night).
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Snow Radar
Latest snow reports near Onbara Kogen:
Onbara Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Okayama are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Onbara Kogen 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 Onbara Kogen at the specific elevation of 900 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Onbara Kogen. 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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