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Japan Weekly Snow Roundup #300
Weekly Snow News for Japan, updated 4th February 2026: Snowpack passes six metres at Seki Onsen as storms continue.
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Mountain Park Tsunan at 510 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 05 Feb 2026
Now
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | |  | |  |  | |  |  |  | | | |
clear | some clouds | some clouds | light snow | light snow | mod. snow | light snow | light snow | light snow | light snow | mod. snow | heavy snow | light snow | snow shwrs | clear | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | 1 | 4 | 9 | 3 | 4 | 2 | 2 | 9 | 11 | 2 | — | — | — | — | — | |
— | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 6 | 3 | 3 | -1 | -3 | -4 | -4 | -7 | -5 | -5 | -5 | -1 | 0 | -4 | 2 | 3 | 1 |
min °C | 4 | 3 | 1 | 1 | -2 | -5 | -5 | -5 | -9 | -6 | -6 | -6 | -4 | -4 | -5 | 1 | 1 | -1 |
4 | 1 | -1 | -2 | -5 | -9 | -8 | -8 | -9 | -9 | -12 | -13 | -10 | -7 | -5 | 1 | 1 | -3 | |
67 | 62 | 72 | 88 | 99 | 97 | 92 | 94 | 96 | 84 | 94 | 89 | 79 | 82 | 79 | 69 | 84 | 72 | |
1150 | 1300 | 1350 | 900 | 450 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 450 | 0 | 750 | 1050 | 0 | |
 | 6:45 | — | — | 6:43 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — | — |
 | — | 5:13 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — | — | 5:19 | — |
Next 0-3 days weather summary:
Drizzle on Fri morning followed by colder weather and a heavy fall of snow, heaviest during Fri afternoon. Freeze-thaw conditions (max 6°C on Thu morning, min -9°C on Sat night). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 3°C on Tue afternoon, min -6°C on Sun morning). Winds decreasing (fresh winds from the WNW on Sun night, calm by Tue afternoon).
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Latest snow reports near Mountain Park Tsunan:
43 km away from Mountain Park Tsunan
27 hours ago
Cloudless skies over Seki Onsen. About freezing. No new snow. Lifts are all open. Good snow on the pistes. Varied snow off-piste today. from Seki Onsen
Mountain Park Tsunan Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 3 Feb 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (1) / good piste (1)
Snow History
Week 1 of February has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.3 | Powder days Fresh snow, limited sun, any wind. |
0.3 | Bluebird days Average snow, mostly sunny, light wind. |
Mountain Park Tsunan Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Mountain Park Tsunan at the specific elevation of 510 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Mountain Park Tsunan. 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 Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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