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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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Kanayasan at 78 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | |  |  | | | | |  | | |
light rain | rain shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | light rain | heavy rain | mod. rain | light rain | rain shwrs | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
3 | 1 | — | — | — | — | — | — | — | 1 | 11 | 10 | 3 | 1 | — | — | — | — | |
max °C | 5 | 6 | 3 | 9 | 10 | 8 | 15 | 15 | 13 | 15 | 12 | 9 | 5 | 5 | 3 | 10 | 11 | 8 |
min °C | 5 | 4 | 2 | 6 | 8 | 8 | 11 | 13 | 12 | 14 | 11 | 5 | 5 | 5 | 2 | 5 | 8 | 7 |
3 | 2 | -1 | 4 | 7 | 6 | 10 | 13 | 11 | 13 | 9 | 2 | 2 | 3 | 0 | 3 | 8 | 4 | |
83 | 64 | 72 | 67 | 71 | 67 | 72 | 73 | 75 | 71 | 93 | 89 | 78 | 65 | 80 | 67 | 60 | 61 | |
650 | 700 | 850 | 2050 | 2550 | 2600 | 2550 | 2600 | 2800 | 2800 | 2600 | 1150 | 650 | 650 | 1100 | 1900 | 2150 | 2350 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
Light rain (total 4.0mm), mostly falling on Thu morning. Very mild (max 15°C on Sat morning, min 2°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Heavy rain (total 26.0mm), heaviest during Sun afternoon. Very mild (max 15°C on Sun morning, min 2°C on Mon night). Wind will be generally light.
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Latest snow reports near Kanayasan:
47 km away from Kanayasan
22 minutes ago
There is heavy snow falling at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
- 2 hours ago
Continuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
43 km away from Kanayasan
2 hours agoRain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Kanayasan Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 12 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.1 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Kanayasan 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 Kanayasan at the specific elevation of 78 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Kanayasan. 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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