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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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Hidden Valley at 914 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 | some clouds | some clouds | light rain | light snow | light snow | light snow | snow shwrs | cloudy | some clouds | light snow | clear | light snow | some clouds | cloudy | cloudy | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 5 | 2 | 3 | — | — | — | — | — | — | — | — | — | 1 | |
— | — | — | 1 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 4 | 7 | 8 | 9 | 8 | -6 | -9 | -4 | 4 | 5 | 6 | -3 | -6 | -6 | -3 | -2 | 0 |
min °C | 3 | 4 | 8 | 8 | -1 | -9 | -10 | -9 | 0 | 4 | -2 | -4 | -9 | -10 | -5 | -2 | -1 |
-2 | 2 | 4 | 3 | -10 | -22 | -22 | -21 | -5 | -2 | -10 | -13 | -19 | -20 | -12 | -4 | -7 | |
61 | 46 | 58 | 72 | 95 | 95 | 95 | 57 | 34 | 40 | 82 | 49 | 87 | 57 | 46 | 37 | 55 | |
2200 | 2700 | 2750 | 2800 | 2550 | 50 | 0 | 0 | 0 | 2550 | 1150 | 450 | 250 | 0 | 0 | 450 | 1500 | |
 | — | — | 7:33 | — | — | 7:33 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — |
 | 4:52 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — | — | 4:53 | — | — | 4:54 | — |
Next 0-3 days weather summary:
Mild at first with light rain (total 9.0mm) on Thu night followed by colder weather and light fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 9°C on Thu afternoon, min -10°C on Fri afternoon). Winds increasing (light winds from the WNW on Wed night, gales from the W by Fri morning).
Next 4-6 days weather summary:
A dusting of snow turning to light rain (total 2.0mm) on Tue morning. Freeze-thaw conditions (max 6°C on Sat night, min -10°C on Sun night). Winds decreasing (gales from the WSW on Sat night, calm by Mon afternoon).
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Snow Radar
Latest snow reports near Hidden Valley:
Hidden Valley Snow Conditions
| Top snow depth: | 38 cm |
|---|---|
| Bottom snow depth: | 38 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:
0.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
1.0 | Bluebird days Average snow, mostly sunny, light wind. |
Hidden Valley 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 Hidden Valley at the specific elevation of 914 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Hidden Valley. 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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