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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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Diamond Peak at 2602 m altitude
Issued by Snow-Forecast.com at: 3 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 | |
 |  |  | | |  |  |  | | |  |  | | | | | | |
clear | clear | some clouds | clear | clear | snow shwrs | light snow | light snow | light snow | light snow | heavy snow | mod. snow | light snow | light snow | light snow | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | 1 | 1 | — | — | 1 | 23 | 10 | 1 | — | 2 | 4 | 5 | |
— | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | |
max °C | 5 | 4 | 4 | 4 | 3 | 4 | 2 | 1 | 2 | 3 | 2 | 1 | 0 | -1 | -1 | -2 | 0 |
min °C | 4 | 3 | 4 | 3 | 2 | 2 | 1 | 0 | 1 | 2 | 1 | 1 | -1 | -1 | -1 | -2 | -1 |
-2 | -4 | -3 | -5 | -6 | -7 | -8 | -8 | -6 | -5 | -7 | -7 | -10 | -10 | -9 | -8 | -10 | |
26 | 53 | 62 | 42 | 31 | 69 | 94 | 93 | 90 | 98 | 98 | 98 | 81 | 92 | 90 | 95 | 98 | |
3550 | 3450 | 3400 | 3250 | 3150 | 3250 | 3000 | 2700 | 2750 | 2900 | 2900 | 2850 | 2650 | 2500 | 2450 | 2250 | 2500 | |
 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — |
 | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:38 | — | — | 4:39 | — | — | 4:39 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 5°C on Wed afternoon, min 0°C on Fri night). Winds decreasing (severe gales from the W on Fri morning, fresh winds from the SW by Sat morning).
Next 4-6 days weather summary:
Moderate rain (total 10.0mm) on Sat afternoon. Becoming colder with heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 3°C on Sat afternoon, min -2°C on Mon afternoon). Winds increasing (light winds from the SW on Mon afternoon, severe gales from the SSW by Tue morning).
Popular Diamond Peak Pages
Snow Radar
Latest snow reports near Diamond Peak:
Diamond Peak Snow Conditions
| Top snow depth: | 50 cm |
|---|---|
| Bottom snow depth: | 38 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 20 Nov 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Nevada are reporting: powder (0) / good piste (2)
Snow History
Week 3 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
1.4 | Bluebird days Average snow, mostly sunny, light wind. |
Diamond Peak Forecast Snowfall
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Photos of Diamond Peak
Upload new photo Other resorts in USA - Nevada are reporting: powder (0) / good piste (2)
The above table gives the weather forecast for Diamond Peak at the specific elevation of 2602 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Diamond Peak. 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.
Visitor Reviews of Diamond Peak
- Powderhound from United States writes:
Beautiful lakeview scenery, varied terrain for all levels, keeps powder snow on the ungroomed runs (knee deep for two days last week), very friendly and family oriented.
Visitor Reviews of Diamond Peak
Powderhound from United States writes:
Beautiful lakeview scenery, varied terrain for all levels, keeps powder snow on the ungroomed runs (knee deep for two days last week), very friendly and family oriented.
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