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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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Le Grand Val at 1100 m altitude
Issued by Snow-Forecast.com at: 6 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | | | | | | | | | |
clear | some clouds | some clouds | cloudy | light rain | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 7 | 7 | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 2 | 2 | 1 |
min °C | 7 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 3 | 2 | 2 | 1 | 2 | 2 | 0 |
5 | 3 | 2 | 4 | 5 | 6 | 6 | 3 | 5 | 6 | 1 | 0 | 0 | -2 | 2 | 2 | -4 | |
58 | 54 | 67 | 80 | 77 | 76 | 65 | 57 | 63 | 63 | 78 | 96 | 97 | 96 | 89 | 90 | 90 | |
2500 | 2500 | 2350 | 2300 | 2300 | 2400 | 2350 | 2350 | 2350 | 2350 | 2100 | 1600 | 1550 | 1350 | 1450 | 1400 | 1550 | |
 | — | — | 8:11 | — | — | 8:12 | — | — | 8:14 | — | — | 8:14 | — | — | 8:15 | — | — |
 | 4:40 | — | — | 4:40 | — | — | 4:40 | — | — | 4:42 | — | — | 4:42 | — | — | 4:43 | — |
Next 0-3 days weather summary:
Some drizzle, heaviest during Fri night. Mild temperatures (max 7°C on Thu afternoon, min 6°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 6°C on Sun afternoon, min -1°C on Wed morning). Winds increasing (calm on Tue afternoon, fresh winds from the ENE by Wed morning).
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Snow Radar
Latest snow reports near Le Grand Val:
Le Grand Val Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 30 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in Switzerland are reporting: powder (7) / good piste (13)
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. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Le Grand Val Forecast Snowfall
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Other resorts in Switzerland are reporting: powder (7) / good piste (13)
The above table gives the weather forecast for Le Grand Val at the specific elevation of 1100 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Le Grand Val. 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 Switzerland.
Click here to read further information on freezing levels and how we forecast our temperatures.
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