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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: 2 am (local time) / 23 Jan 2026
Now
Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | | | |  |  |  | | | | |  | |
light snow | light snow | mod. snow | heavy snow | heavy snow | heavy snow | mod. snow | mod. snow | heavy snow | light snow | cloudy | some clouds | snow shwrs | mod. snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
3 | 3 | 9 | 13 | 18 | 36 | 9 | 8 | 11 | — | — | — | — | 9 | 20 | 4 | 2 | 2 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -4 | -4 | -3 | -3 | -5 | -7 | -6 | -7 | -5 | -4 | -2 | 1 | 0 | -2 | -4 | -4 | -7 |
min °C | -5 | -5 | -4 | -3 | -4 | -7 | -7 | -7 | -8 | -7 | -6 | -5 | 1 | -1 | -5 | -5 | -6 | -8 |
-9 | -9 | -9 | -9 | -8 | -14 | -15 | -16 | -15 | -10 | -8 | -8 | -4 | -7 | -11 | -11 | -11 | -11 | |
92 | 91 | 95 | 96 | 94 | 95 | 91 | 92 | 92 | 81 | 75 | 53 | 83 | 96 | 96 | 90 | 87 | 88 | |
0 | 250 | 0 | 300 | 300 | 0 | 0 | 0 | 0 | 0 | 200 | 0 | 850 | 700 | 150 | 0 | 150 | 0 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 5:01 | — | — | 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 increasing (light winds from the WSW on Fri afternoon, fresh winds from the WNW by Sun 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:
43 km away from Itoigawa Seaside Valley
16 hours ago
It is snowing steadily at Togari Onsen. from Togari Onsen
18 km away from Itoigawa Seaside Valley
21 hours agoIt is snowing heavily at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
18 km away from Itoigawa Seaside Valley
21 hours agoSnow falling in Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
36 km away from Itoigawa Seaside Valley
21 hours agoIt is snowing heavily in Madarao Kogen. from Madarao Kogen
26 km away from Itoigawa Seaside Valley
24 hours agoSnowing in Lotte Arai Resort. from Lotte Arai Resort
Itoigawa Seaside Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 55 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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