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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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Hanagasa Kogen at 400 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 | |
 |  |  | |  | |  | | | | | | | |  |  | | |
some clouds | mod. snow | light snow | light snow | light snow | light snow | cloudy | light snow | light snow | light snow | light snow | light snow | light snow | light snow | rain shwrs | light rain | mod. snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 6 | 5 | 3 | 3 | — | — | 2 | 3 | — | 2 | — | 1 | — | — | — | 7 | |
— | 4 | — | — | — | — | — | — | — | 3 | 2 | — | — | — | 1 | 2 | 9 | |
max °C | 8 | 3 | -4 | -4 | -3 | 0 | 1 | 1 | 2 | 2 | 3 | 0 | 0 | -1 | 3 | 3 | 2 |
min °C | 6 | -5 | -5 | -5 | -4 | -2 | -3 | -1 | 1 | 2 | 0 | 0 | -1 | -2 | 1 | 2 | 1 |
2 | -13 | -12 | -12 | -10 | -6 | -3 | -3 | -2 | 2 | -8 | -7 | -8 | -6 | -3 | -2 | -3 | |
55 | 96 | 94 | 90 | 96 | 93 | 81 | 80 | 99 | 99 | 97 | 90 | 94 | 92 | 89 | 97 | 99 | |
1600 | 200 | 0 | 0 | 0 | 0 | 500 | 0 | 650 | 900 | 800 | 400 | 300 | 300 | 550 | 900 | 1050 | |
 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — |
 | 4:15 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — |
Next 0-3 days weather summary:
Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 8°C on Thu afternoon, min -5°C on Thu night). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sat afternoon).
Next 4-6 days weather summary:
Moderate rain (total 17.0mm), heaviest on Tue night giving way to a moderate fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 3°C on Sun night, min -2°C on Mon night). Mainly near gales.
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Latest snow reports near Hanagasa Kogen:
Hanagasa Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.9 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Hanagasa Kogen Forecast Snowfall
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Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Hanagasa Kogen at the specific elevation of 400 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Hanagasa 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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