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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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Shiga Kogen-Ichinose Diamond at 1656 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 22 Jan 2026
Now
Thu 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | |  |  |  | |  |  | | |  | | | |
light snow | snow shwrs | some clouds | cloudy | cloudy | light snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | snow shwrs | cloudy | cloudy | clear | light snow | heavy snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
2 | 1 | — | — | — | 3 | 12 | 24 | 8 | 6 | 10 | — | — | — | — | 2 | 14 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -13 | -15 | -11 | -10 | -11 | -9 | -9 | -11 | -13 | -13 | -13 | -9 | -9 | -9 | -4 | -4 | -8 |
min °C | -14 | -16 | -12 | -11 | -11 | -9 | -10 | -13 | -13 | -14 | -14 | -11 | -11 | -10 | -6 | -6 | -12 |
-21 | -23 | -19 | -16 | -15 | -15 | -16 | -22 | -23 | -25 | -25 | -18 | -11 | -14 | -12 | -10 | -20 | |
84 | 90 | 65 | 64 | 82 | 90 | 89 | 96 | 95 | 94 | 89 | 74 | 71 | 71 | 77 | 86 | 94 | |
0 | 0 | 0 | 300 | 0 | 250 | 400 | 0 | 0 | 0 | 0 | 0 | 300 | 0 | 700 | 1150 | 100 | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 4:59 | — | — | 5:00 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat afternoon. Temperatures will be well below freezing (max -9°C on Sat morning, min -16°C on Thu night). Winds increasing (light winds from the WSW on Fri night, fresh winds from the WNW by Sun morning).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Tue night. Temperatures will be below freezing (max -4°C on Tue morning, min -14°C on Sun afternoon). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon afternoon).
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Latest snow reports near Shiga Kogen-Ichinose Diamond:
25 km away from Shiga Kogen-Ichinose Diamond
35 minutes ago
It is snowing steadily at Togari Onsen. from Togari Onsen
24 km away from Shiga Kogen-Ichinose Diamond
6 hours agoIt is snowing heavily in Madarao Kogen. from Madarao Kogen
42 km away from Shiga Kogen-Ichinose Diamond
8 hours agoSnowing in Lotte Arai Resort. from Lotte Arai Resort
34 km away from Shiga Kogen-Ichinose Diamond
8 hours ago
Excellent on and off piste conditions. Heavy snow just keeps on falling. from Ikenotaira Onsen Alpenblick
6 km away from Shiga Kogen-Ichinose Diamond
10 hours agoSnow falling in Shiga Kogen-Okushiga Kogen. from Shiga Kogen-Okushiga Kogen
Shiga Kogen-Ichinose Diamond Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 29 cm |
| Last snowfall: | 21 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 4 of January has on average:
1.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.9 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Ichinose Diamond Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Shiga Kogen-Ichinose Diamond at the specific elevation of 1656 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Ichinose Diamond. 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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