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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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Nagaoka Shiei at 347 m altitude
Issued by Snow-Forecast.com at: 2 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 | cloudy | mod. snow | light snow | light snow | light snow | snow shwrs | cloudy | cloudy | light rain | mod. rain | mod. rain | light rain | light rain | light snow | some clouds | clear | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 9 | 2 | 1 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | 5 | — | — | — | — | — | — | 4 | 7 | 7 | 4 | 3 | 2 | — | — | 2 | |
max °C | 8 | 8 | 5 | -1 | -1 | 0 | 2 | 2 | 2 | 4 | 6 | 4 | 2 | 3 | 3 | 4 | 5 | 3 |
min °C | 5 | 6 | -1 | -2 | -1 | -1 | 0 | 1 | 0 | 3 | 6 | 3 | 2 | 3 | 1 | 2 | 2 | 2 |
3 | 3 | -9 | -10 | -8 | -6 | -2 | -1 | -3 | 1 | 2 | -3 | -4 | -3 | -3 | -1 | -1 | -1 | |
66 | 65 | 91 | 75 | 72 | 80 | 88 | 70 | 71 | 88 | 93 | 77 | 68 | 64 | 75 | 75 | 66 | 68 | |
1750 | 1750 | 500 | 0 | 250 | 300 | 300 | 750 | 1650 | 1550 | 1350 | 800 | 650 | 650 | 650 | 650 | 900 | 950 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:27 | — | — | 4:27 | — | — | 4:27 | — |
Next 0-3 days weather summary:
Mild at first with light rain (total 5.0mm) on Thu night followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 8°C on Thu morning, min -2°C on Fri morning). Winds decreasing (strong winds from the WNW on Thu night, calm by Sat morning).
Next 4-6 days weather summary:
Heavy rain (total 29.0mm), heaviest during Sun afternoon. Mild temperatures (max 6°C on Sun afternoon, min 1°C on Mon night). Mainly strong winds.
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Latest snow reports near Nagaoka Shiei:
Nagaoka Shiei Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 5 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. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Nagaoka Shiei 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 Nagaoka Shiei at the specific elevation of 347 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Nagaoka Shiei. 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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