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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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Snowboard World Heights at 935 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 | |
 |  |  |  | | |  | |  |  | |  |  |  | | | |
mod. snow | snow shwrs | clear | clear | clear | clear | rain shwrs | clear | some clouds | some clouds | some clouds | light rain | light snow | light snow | light snow | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
7 | 1 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | |
— | — | — | — | — | — | 1 | — | — | — | — | 3 | 3 | — | — | — | |
max °C | 0 | -1 | -1 | 2 | 7 | 7 | 7 | 10 | 10 | 9 | 12 | 9 | 4 | 1 | 0 | -1 |
min °C | -2 | -2 | -2 | -1 | 4 | 6 | 6 | 8 | 9 | 9 | 10 | 7 | 1 | 0 | -1 | -2 |
-6 | -6 | -2 | -1 | 2 | 4 | 4 | 6 | 7 | 7 | 8 | 6 | -2 | -3 | -4 | -4 | |
99 | 93 | 86 | 52 | 52 | 59 | 49 | 87 | 84 | 82 | 83 | 96 | 99 | 99 | 96 | 86 | |
700 | 700 | 750 | 750 | 2000 | 2450 | 2600 | 2500 | 2650 | 2800 | 2850 | 2650 | 1250 | 1050 | 950 | 600 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
A light covering of new snow on Wed night turning to drizzle on Fri night. Freeze-thaw conditions (max 10°C on Sat morning, min -2°C on Wed night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 6.0mm) at first, then becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 12°C on Sun morning, min -2°C on Mon night). Wind will be generally light.
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Latest snow reports near Snowboard World Heights:
40 km away from Snowboard World Heights
3 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
29 km away from Snowboard World Heights
6 hours agoRain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
14 km away from Snowboard World Heights
7 hours ago
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Snowboard World Heights Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 3 of December has on average:
1.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Snowboard World Heights Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Snowboard World Heights at the specific elevation of 935 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Snowboard World Heights. 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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