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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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West Mountain at 298 m altitude
Issued by Snow-Forecast.com at: 12 am (local time) / 18 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 | |
 |  | |  |  |  |  |  |  |  | | |  | | |  | |
clear | some clouds | some clouds | light rain | heavy rain | snow shwrs | some clouds | clear | cloudy | light snow | some clouds | snow shwrs | snow shwrs | clear | some clouds | cloudy | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
— | — | — | 4 | 13 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 3 | 3 | 4 | 11 | 12 | 1 | -5 | -2 | -1 | 0 | 0 | -3 | -5 | -5 | -5 | -5 |
min °C | -5 | 0 | 3 | 4 | 3 | -3 | -6 | -4 | -1 | -1 | 0 | -4 | -8 | -7 | -6 | -6 |
-7 | -4 | -2 | 0 | -2 | -11 | -14 | -7 | -5 | -7 | -7 | -10 | -16 | -15 | -9 | -8 | |
79 | 79 | 67 | 97 | 94 | 68 | 68 | 45 | 53 | 69 | 56 | 61 | 61 | 46 | 45 | 59 | |
0 | 0 | 2600 | 2550 | 2550 | 350 | 0 | 0 | 0 | 0 | 350 | 0 | 0 | 0 | 0 | 0 | |
 | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — | — | 4:22 | — |
Next 0-3 days weather summary:
Moderate rain (total 17.0mm), heaviest on Fri morning. Freeze-thaw conditions (max 12°C on Fri morning, min -6°C on Fri night). Winds increasing (calm on Wed night, near gales from the S by Fri morning).
Next 4-6 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 1°C on Tue afternoon, min -8°C on Sun night). Winds decreasing (fresh winds from the WSW on Sun morning, calm by Mon night).
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Snow Radar
Latest snow reports near West Mountain:
West Mountain Snow Conditions
| Top snow depth: | 61 cm |
|---|---|
| Bottom snow depth: | 41 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - New York are reporting: powder (0) / good piste (3)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
West Mountain Forecast Snowfall
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Other resorts in USA - New York are reporting: powder (0) / good piste (3)
The above table gives the weather forecast for West Mountain at the specific elevation of 298 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of West Mountain. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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