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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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Powder South Heliski at 2800 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | | | | | | | | | | | |
rain shwrs | clear | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | clear | rain shwrs | clear | clear | clear | clear | clear | clear | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1 | — | — | 3 | 1 | 1 | 3 | 1 | — | 2 | — | — | — | — | — | — | — | |
max °C | 13 | 10 | 11 | 10 | 8 | 8 | 9 | 6 | 7 | 9 | 7 | 11 | 12 | 10 | 12 | 13 | 10 |
min °C | 12 | 8 | 9 | 10 | 5 | 7 | 8 | 5 | 6 | 8 | 6 | 9 | 11 | 8 | 10 | 12 | 9 |
11 | 8 | 9 | 8 | 4 | 5 | 6 | 3 | 4 | 6 | 6 | 8 | 10 | 8 | 10 | 11 | 9 | |
42 | 47 | 46 | 57 | 48 | 49 | 51 | 48 | 41 | 43 | 33 | 13 | 33 | 36 | 26 | 35 | 39 | |
4400 | 4250 | 4150 | 4100 | 4000 | 3750 | 3850 | 3700 | 3600 | 3800 | 3900 | 4050 | 4300 | 4300 | 4300 | 4450 | 4400 | |
 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:28 | — | — |
 | 8:47 | — | — | 8:47 | — | — | 8:49 | — | — | 8:50 | — | — | 8:50 | — | — | 8:50 | — |
Next 0-3 days weather summary:
Moderate rain (total 10.0mm), heaviest on Fri afternoon. Very mild (max 13°C on Thu afternoon, min 5°C on Fri night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 2.0mm), mostly falling on Sun afternoon. Very mild (max 14°C on Wed morning, min 6°C on Sun night). Wind will be generally light.
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Snow Radar
Latest snow reports near Powder South Heliski:
Powder South Heliski Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Chile 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. |
|---|---|
0.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Powder South Heliski Forecast Snowfall
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Other resorts in Chile are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Powder South Heliski at the specific elevation of 2800 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Powder South Heliski. 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 Chile.
Click here to read further information on freezing levels and how we forecast our temperatures.
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