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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: 2 pm (local time) / 23 Jan 2026
Now
Fri 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  |  | | | |  |  |  |  | | | | | | |
mod. snow | mod. snow | mod. snow | heavy snow | heavy snow | heavy snow | mod. snow | heavy snow | light snow | snow shwrs | snow shwrs | some clouds | light snow | heavy snow | mod. snow | light snow | mod. snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
5 | 5 | 6 | 12 | 28 | 11 | 10 | 20 | 3 | — | — | — | 4 | 16 | 7 | 3 | 6 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -4 | -2 | -3 | -4 | -6 | -6 | -6 | -4 | -4 | -5 | 1 | -1 | -2 | -4 | -4 | -5 |
min °C | -3 | -4 | -3 | -4 | -6 | -6 | -6 | -6 | -5 | -7 | -7 | 0 | -1 | -4 | -4 | -6 | -6 |
-7 | -8 | -7 | -8 | -12 | -14 | -15 | -15 | -10 | -7 | -7 | -3 | -3 | -8 | -10 | -11 | -11 | |
96 | 94 | 93 | 97 | 97 | 94 | 96 | 95 | 94 | 83 | 88 | 54 | 91 | 97 | 96 | 93 | 96 | |
200 | 0 | 150 | 200 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 550 | 500 | 0 | 0 | 0 | 0 | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — |
 | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -2°C on Sat morning, min -6°C on Sat night). Winds increasing (calm on Fri afternoon, fresh winds from the NW by Sun night).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 1°C on Tue morning, min -7°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Joetsu Kokusai:
7 km away from Joetsu Kokusai
13 hours ago
There is heavy snow falling at Ishiuchi Maruyama. from Ishiuchi Maruyama
16 km away from Joetsu Kokusai
23 hours agoIt is snowing heavily in Hakkai Sanroku. from Hakkai Sanroku
Joetsu Kokusai Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 77 cm |
| Last snowfall: | 22 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (2) / good piste (2)
Snow History
Week 4 of January has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.2 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Joetsu Kokusai Forecast Snowfall
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Photos of Joetsu Kokusai
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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