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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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Numajiri at 1035 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 17 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | |  | | | |  |  |  |  | | | |
snow shwrs | snow shwrs | snow shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | light rain | light snow | light snow | light snow | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | |
max °C | 0 | -3 | -3 | -1 | 4 | 5 | 7 | 9 | 9 | 9 | 11 | 9 | 6 | 0 | -1 | -2 |
min °C | -4 | -4 | -4 | -3 | 2 | 4 | 5 | 8 | 8 | 8 | 10 | 8 | 1 | 0 | -2 | -3 |
-13 | -12 | -10 | -8 | 0 | 2 | 3 | 6 | 6 | 5 | 7 | 4 | -3 | -4 | -4 | -6 | |
88 | 86 | 86 | 60 | 48 | 39 | 46 | 61 | 80 | 75 | 89 | 86 | 91 | 95 | 91 | 76 | |
650 | 550 | 650 | 0 | 1450 | 2200 | 2600 | 2600 | 2600 | 2750 | 3050 | 2800 | 2150 | 1050 | 900 | 550 | |
 | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — |
 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 9°C on Sat morning, min -4°C on Wed night). Winds decreasing (strong winds from the WNW on Wed night, light winds from the WSW by Fri morning).
Next 4-6 days weather summary:
Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 11°C on Sun morning, min -3°C on Mon night). Winds decreasing (fresh winds from the WNW on Sun night, light winds from the N by Mon afternoon).
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Snow Radar
Latest snow reports near Numajiri:
Numajiri Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
2.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Numajiri Forecast Snowfall
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Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Numajiri at the specific elevation of 1035 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Numajiri. 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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