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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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Sno Mountain at 596 m altitude
Issued by Snow-Forecast.com at: 6 pm (local time) / 17 Dec 2025
Now
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  |  |  | |  |  | | | | | | | |
some clouds | clear | clear | some clouds | heavy rain | rain shwrs | snow shwrs | some clouds | some clouds | light snow | cloudy | clear | snow shwrs | some clouds | clear | some clouds | cloudy | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 12 | 6 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 2 | 5 | 4 | 11 | 5 | -2 | -4 | 0 | 0 | 2 | 2 | -3 | -7 | -5 | -5 | -4 |
min °C | 4 | -2 | 2 | 4 | 5 | 2 | -6 | -7 | -3 | 0 | 0 | 1 | -7 | -7 | -6 | -5 | -4 |
-2 | -4 | -2 | -1 | 0 | -5 | -16 | -18 | -9 | -5 | -7 | -6 | -16 | -17 | -16 | -14 | -11 | |
68 | 63 | 53 | 78 | 93 | 91 | 74 | 75 | 47 | 42 | 49 | 45 | 72 | 71 | 50 | 53 | 55 | |
2000 | 0 | 2500 | 2650 | 2550 | 2250 | 300 | 0 | 0 | 950 | 2200 | 900 | 300 | 0 | 0 | 0 | 0 | |
 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — |
 | 4:29 | — | — | 4:29 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Next 0-3 days weather summary:
Moderate rain (total 18.0mm), heaviest on Thu night. Freeze-thaw conditions (max 11°C on Thu night, min -7°C on Fri night). Winds increasing (light winds from the WSW on Wed night, gales from the SSW by Thu night).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 2°C on Sat night, min -7°C on Sun afternoon). Winds decreasing (strong winds from the NW on Sun night, light winds from the WSW by Mon night).
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Latest snow reports near Sno Mountain:
28 km away from Sno Mountain
12 hours ago
Some cloudy spells at High Point Cross Country Ski Center. Not much wind here, just a light breeze. Freeze-thaw conditions. New snow is ankle depth. Packed snow on piste. Powder snow off-piste! from High Point Cross Country Ski Center
Sno Mountain Snow Conditions
| Top snow depth: | 51 cm |
|---|---|
| Bottom snow depth: | 51 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 14 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:
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.6 | Powder days Fresh snow, limited sun, any wind. |
1.3 | Bluebird days Average snow, mostly sunny, light wind. |
Sno Mountain 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 Sno Mountain at the specific elevation of 596 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sno 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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