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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Joetsu Kokusai at 608 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 21 Jan 2026
Now
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  |  |  | |  | | | | | | |  | |
heavy snow | mod. snow | mod. snow | snow shwrs | snow shwrs | light snow | light snow | snow shwrs | heavy snow | heavy snow | heavy snow | mod. snow | heavy snow | light snow | light snow | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
35 | 7 | 5 | 11 | 2 | 1 | 3 | 4 | 10 | 21 | 11 | 9 | 23 | 3 | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -7 | -7 | -7 | -3 | -3 | -4 | -2 | -3 | -5 | -6 | -6 | -6 | -4 | -4 | -5 |
min °C | -8 | -7 | -7 | -8 | -5 | -6 | -6 | -2 | -5 | -6 | -6 | -7 | -7 | -5 | -6 | -6 |
-17 | -15 | -16 | -13 | -9 | -9 | -9 | -6 | -11 | -10 | -15 | -16 | -17 | -10 | -6 | -6 | |
96 | 94 | 92 | 87 | 80 | 83 | 84 | 85 | 96 | 97 | 95 | 95 | 95 | 94 | 83 | 84 | |
0 | 0 | 0 | 0 | 0 | 200 | 0 | 200 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
 | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Sat morning, min -8°C on Wed night). Winds decreasing (fresh winds from the WNW on Thu morning, calm by Fri night).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 1°C on Tue morning, min -7°C on Sun afternoon). Winds decreasing (strong winds from the WNW on Sun night, calm by Mon night).
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Latest snow reports near Joetsu Kokusai:
16 km away from Joetsu Kokusai
11 hours ago
It is snowing steadily in Muikamachi Hakkaisan. from Muikamachi Hakkaisan
Joetsu Kokusai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 37 cm |
| Last snowfall: | 20 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (2) / good piste (2)
Snow History
Week 3 of January has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Joetsu Kokusai Forecast Snowfall
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Upload new photo Other resorts in Japan - Niigata are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Joetsu Kokusai at the specific elevation of 608 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Joetsu Kokusai. 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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