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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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Blue Marsh at 131 m altitude
Issued by Snow-Forecast.com at: 6 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | |  | | |  |  | | | |
clear | some clouds | mod. rain | light rain | snow shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | clear | clear | some clouds | light snow | light snow | light rain | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | — | — | — | |
— | — | 10 | 5 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | |
max °C | 5 | 5 | 14 | 7 | -1 | -3 | 2 | 2 | 2 | 4 | 0 | -3 | -1 | 0 | -1 | 1 | 6 | 5 |
min °C | 1 | 4 | 5 | 6 | -3 | -4 | -1 | 1 | 1 | 4 | -3 | -5 | -4 | -2 | -2 | 0 | 2 | 1 |
-2 | 2 | 3 | 1 | -10 | -9 | -5 | -3 | -3 | -1 | -10 | -13 | -11 | -2 | -5 | -5 | -2 | -3 | |
87 | 97 | 95 | 87 | 65 | 60 | 63 | 48 | 70 | 63 | 52 | 56 | 54 | 44 | 58 | 76 | 86 | 71 | |
2700 | 2900 | 2650 | 1250 | 0 | 0 | 0 | 2100 | 2000 | 600 | 0 | 0 | 0 | 0 | 0 | 0 | 1250 | 900 | |
 | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — |
 | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — |
Next 0-3 days weather summary:
Moderate rain (total 15.0mm), heaviest on Thu night. Freeze-thaw conditions (max 14°C on Thu night, min -4°C on Fri night). Winds increasing (light winds from the E on Thu morning, fresh winds from the SSE by Thu night).
Next 4-6 days weather summary:
A dusting of snow on Mon night. Freezing level rising with drizzle on Tue afternoon. Freeze-thaw conditions (max 6°C on Tue afternoon, min -5°C on Sun night). Wind will be generally light.
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Latest snow reports near Blue Marsh:
Blue Marsh Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 13 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Pennsylvania are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Blue Marsh Forecast Snowfall
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Other resorts in USA - Pennsylvania are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Blue Marsh at the specific elevation of 131 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Blue Marsh. 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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