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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 240 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 22 Jan 2026
Now
Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  | |  | | |  |  |  | |  | | | |
light snow | light snow | light snow | light snow | light snow | light snow | mod. snow | mod. snow | heavy snow | mod. snow | light snow | mod. snow | some clouds | cloudy | light snow | rain shwrs | light snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
4 | 3 | 4 | — | 2 | 4 | 6 | 9 | 21 | 5 | 5 | 9 | — | — | — | — | 3 | 11 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | |
max °C | -2 | -2 | -5 | 1 | 1 | -1 | 1 | 1 | -1 | -2 | -2 | -4 | 0 | 0 | 0 | 5 | 4 | 0 |
min °C | -4 | -4 | -7 | -2 | -1 | -1 | -1 | 0 | -3 | -3 | -3 | -8 | -3 | -3 | -4 | 3 | 1 | -2 |
-10 | -8 | -11 | -5 | -4 | -3 | -5 | -4 | -8 | -9 | -10 | -11 | -3 | -3 | -4 | 0 | -3 | -6 | |
79 | 79 | 87 | 77 | 84 | 95 | 93 | 92 | 95 | 86 | 88 | 89 | 73 | 73 | 76 | 87 | 96 | 96 | |
0 | 0 | 0 | 0 | 300 | 0 | 150 | 350 | 0 | 0 | 0 | 0 | 0 | 200 | 0 | 800 | 850 | 250 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 5:00 | — | — | 5:01 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Freeze-thaw conditions (max 1°C on Fri morning, min -7°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 3.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 5°C on Tue morning, min -8°C on Sun night). Wind will be generally light.
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Latest snow reports near Itoigawa Seaside Valley:
26 km away from Itoigawa Seaside Valley
6 hour ago
Snow falling heavily in Lotte Arai Resort. from Lotte Arai Resort
26 km away from Itoigawa Seaside Valley
6 hour agoThere is heavy snow falling in Lotte Arai Resort. from Lotte Arai Resort
27 km away from Itoigawa Seaside Valley
9 hour agoSnowing at Happo One. from Happo One
25 km away from Itoigawa Seaside Valley
20 hour ago
Excellent on and off piste conditions. Snowing lightly, refreshing pistes. from Ikenotaira Onsen Alpenblick
26 km away from Itoigawa Seaside Valley
23 hour agoSnow falling at Lotte Arai Resort. from Lotte Arai Resort
Itoigawa Seaside Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 54 cm |
| Last snowfall: | 21 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:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.0 | 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 240 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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