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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 2322 m altitude
Issued by Snow-Forecast.com at: 3 am (local time) / 17 Dec 2025
Now
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  | | |  |  | |  |  |  |  | |
light rain | clear | some clouds | some clouds | some clouds | clear | rain shwrs | light rain | light snow | some clouds | light rain | heavy rain | heavy rain | heavy rain | heavy snow | mod. snow | light snow | mod. snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 12 | 7 | 1 | 8 | |
2 | — | — | — | — | — | 1 | 4 | 2 | — | 3 | 43 | 18 | 27 | 21 | — | — | — | |
max °C | 5 | 6 | 5 | 6 | 6 | 4 | 5 | 3 | 3 | 2 | 2 | 4 | 4 | 3 | 3 | 0 | 1 | 0 |
min °C | 5 | 4 | 4 | 6 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 4 | 3 | -1 | -1 | 0 | -2 |
-2 | -1 | -1 | 1 | -2 | -3 | -4 | -6 | -5 | -3 | -4 | -4 | -2 | -3 | -8 | -8 | -6 | -6 | |
89 | 37 | 45 | 48 | 50 | 41 | 38 | 94 | 90 | 68 | 92 | 98 | 98 | 98 | 98 | 97 | 72 | 91 | |
3000 | 3550 | 3500 | 3450 | 3300 | 3100 | 3200 | 3000 | 2700 | 2600 | 2600 | 2900 | 2950 | 2850 | 2700 | 2250 | 2300 | 2000 | |
 | 7:13 | — | — | 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:
Light rain (total 9.0mm), mostly falling on Wed morning. Mild temperatures (max 6°C on Wed afternoon, min 2°C on Fri afternoon). Mainly gales.
Next 4-6 days weather summary:
Heavy rain (total 112.0mm) on Sat night. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 4°C on Sat night, min -2°C on Mon night). Winds decreasing (strong winds from the SW on Sat night, light winds from the WSW by Mon night).
Popular Diamond Peak Pages
Snow Radar
Latest snow reports near Diamond Peak:
Diamond Peak Snow Conditions
| Top snow depth: | 38 cm |
|---|---|
| Bottom snow depth: | 30 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:
0.7 | 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. |
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 2322 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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