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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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Hoppo Bunadaira at 1748 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 |  |  |  |  |  |  | ||||||||||
9 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | |
— | — | — | — | — | — | 1 | — | — | — | — | 2 | — | — | — | — | |
max °C | -4 | -6 | -5 | 0 | 2 | 4 | 5 | 5 | 5 | 6 | 7 | 5 | 0 | -3 | -4 | -4 |
min °C | -6 | -6 | -6 | -3 | 1 | 3 | 4 | 4 | 5 | 5 | 6 | 3 | -3 | -4 | -5 | -5 |
-12 | -12 | -11 | -6 | -2 | 0 | 1 | 0 | 2 | 2 | 3 | 1 | -7 | -7 | -8 | -8 | |
96 | 80 | 75 | 38 | 35 | 46 | 31 | 80 | 76 | 74 | 82 | 97 | 98 | 94 | 95 | 76 | |
700 | 700 | 800 | 850 | 1950 | 2400 | 2600 | 2500 | 2600 | 2800 | 2900 | 2700 | 1350 | 1100 | 1000 | 600 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
A moderate fall of snow, heaviest on Wed night. Becoming mild with drizzle, on Fri night. Freeze-thaw conditions (max 5°C on Fri night, min -6°C on Wed night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 2.0mm) at first, then becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 7°C on Sun morning, min -5°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Hoppo Bunadaira:
49 km away from Hoppo Bunadaira
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
33 km away from Hoppo Bunadaira
5 hours agoRain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
23 km away from Hoppo Bunadaira
7 hours ago
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Hoppo Bunadaira Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 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:
1.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
Hoppo Bunadaira 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 Hoppo Bunadaira at the specific elevation of 1748 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Hoppo Bunadaira. 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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