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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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Mt.T by Hoshino Resorts at 1125 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 18 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | |  |  |  |  | | | | | | |
clear | clear | clear | some clouds | some clouds | clear | some clouds | cloudy | light rain | light snow | snow shwrs | snow shwrs | clear | some clouds | some clouds | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | 3 | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 2 | — | — | — | — | — | — | — | |
max °C | 0 | 4 | 4 | 5 | 8 | 8 | 8 | 10 | 9 | 2 | -4 | -4 | -1 | 1 | 1 | 1 |
min °C | -2 | 2 | 3 | 4 | 7 | 7 | 7 | 9 | 6 | -3 | -4 | -5 | -3 | 0 | 0 | 0 |
-4 | 0 | 0 | 2 | 4 | 4 | 4 | 7 | 3 | -10 | -10 | -11 | -6 | -2 | -4 | -4 | |
45 | 43 | 50 | 50 | 61 | 83 | 71 | 80 | 87 | 96 | 88 | 84 | 49 | 37 | 55 | 76 | |
0 | 1750 | 2150 | 2550 | 2550 | 2700 | 3000 | 2850 | 2800 | 1150 | 550 | 550 | 0 | 1250 | 1300 | 1000 | |
 | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — |
Next 0-3 days weather summary:
Light rain (total 2.0mm), mostly falling on Sun afternoon. Freeze-thaw conditions (max 10°C on Sun morning, min -2°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Mon morning. Becoming milder with light rain (total 2.0mm) on Wed afternoon. Freeze-thaw conditions (max 4°C on Wed afternoon, min -5°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Mt.T by Hoshino Resorts:
23 km away from Mt.T by Hoshino Resorts
15 hours ago
It is snowing steadily in Ishiuchi Maruyama. from Ishiuchi Maruyama
Mt.T by Hoshino Resorts Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
2.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Mt.T by Hoshino Resorts Forecast Snowfall
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Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Mt.T by Hoshino Resorts at the specific elevation of 1125 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mt.T by Hoshino Resorts. 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.
Resort name is also written as Tanigawadake Tenjindaira.
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