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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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Itoigawa Seaside Valley at 740 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 23 Jan 2026
Now
Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | |  | |  |  |  | | | | | |  | |
heavy snow | heavy snow | heavy snow | heavy snow | heavy snow | mod. snow | heavy snow | snow shwrs | light snow | cloudy | snow shwrs | light snow | heavy snow | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
13 | 13 | 15 | 34 | 10 | 7 | 12 | 1 | — | — | — | 4 | 20 | 2 | 1 | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -3 | -5 | -7 | -7 | -7 | -5 | -5 | -4 | 1 | 0 | -2 | -4 | -4 | -7 |
min °C | -4 | -3 | -4 | -6 | -7 | -7 | -8 | -7 | -7 | -7 | 0 | -1 | -5 | -5 | -7 | -8 |
-10 | -9 | -9 | -12 | -15 | -16 | -13 | -11 | -10 | -10 | -4 | -6 | -11 | -10 | -12 | -12 | |
95 | 95 | 93 | 96 | 91 | 90 | 93 | 82 | 75 | 58 | 74 | 96 | 96 | 91 | 82 | 79 | |
150 | 250 | 300 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 750 | 800 | 200 | 0 | 200 | 0 | |
 | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — | — | 5:07 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat morning, min -8°C on Sun night). Winds decreasing (fresh winds from the WNW on Sun afternoon, light winds from the W by Mon afternoon).
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 -8°C on Wed night). Wind will be generally light.
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Latest snow reports near Itoigawa Seaside Valley:
27 km away from Itoigawa Seaside Valley
7 hours ago
Snow falling in Happo One. from Happo One
27 km away from Itoigawa Seaside Valley
9 hours agoSnow is falling at Happo One. from Happo One
25 km away from Itoigawa Seaside Valley
16 hours ago
Excellent on and off piste conditions. Another glorious day. from Ikenotaira Onsen Alpenblick
Itoigawa Seaside Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 53 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:
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Itoigawa Seaside Valley Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Itoigawa Seaside Valley at the specific elevation of 740 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Itoigawa Seaside Valley. 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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