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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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Itsukamachi at 330 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | |  |  | | | | | |  | |  | |
some clouds | some clouds | heavy snow | light snow | light snow | light snow | some clouds | some clouds | light rain | mod. rain | mod. rain | light snow | light snow | light snow | light snow | clear | clear | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 18 | 5 | 4 | 5 | — | — | — | — | — | 2 | 2 | 2 | 3 | — | — | — | |
— | — | 5 | — | — | — | — | — | 1 | 6 | 7 | 5 | — | — | — | — | — | — | |
max °C | 9 | 8 | 4 | -2 | -1 | -2 | 2 | 2 | 3 | 5 | 5 | 3 | 2 | 2 | 1 | 4 | 4 | 1 |
min °C | 5 | 5 | -1 | -2 | -2 | -2 | 0 | 0 | 0 | 5 | 4 | 2 | 2 | 1 | -2 | 2 | 0 | 0 |
3 | 3 | -7 | -9 | -6 | -5 | 0 | -2 | -3 | 5 | -2 | -4 | -3 | -3 | -2 | 2 | -2 | 0 | |
76 | 78 | 98 | 92 | 88 | 97 | 85 | 83 | 81 | 98 | 99 | 95 | 85 | 82 | 96 | 81 | 78 | 76 | |
1800 | 1850 | 550 | 0 | 0 | 0 | 300 | 750 | 1700 | 1700 | 1400 | 650 | 550 | 600 | 350 | 600 | 1000 | 500 | |
 | 6:47 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:27 | — | — | 4:27 | — | — | 4:27 | — | — | 4:27 | — | — | 4:28 | — | — | 4:28 | — |
Next 0-3 days weather summary:
Light rain (total 6.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 9°C on Thu morning, min -2°C on Fri morning). Wind will be generally light.
Next 4-6 days weather summary:
Mild with moderate rain (total 18.0mm) on Sun afternoon, Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 5°C on Sun morning, min -2°C on Mon night). Mainly strong winds.
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Latest snow reports near Itsukamachi:
45 km away from Itsukamachi
17 hours ago
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17 hours agoSnow is falling in Nozawa Onsen. from Nozawa Onsen
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17 hours agoSnow falling in Nozawa Onsen. from Nozawa Onsen
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20 hours agoIt is snowing steadily in Naeba. from Naeba
Itsukamachi Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata 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. |
|---|---|
0.5 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Itsukamachi Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Itsukamachi at the specific elevation of 330 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Itsukamachi. 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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