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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 1708 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 | |
 |  |  | |  |  |  | |  | |  |  |  | | | | |  | |
snow shwrs | light snow | snow shwrs | light snow | heavy snow | heavy snow | mod. snow | mod. snow | mod. snow | light snow | some clouds | some clouds | clear | light snow | heavy snow | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 1 | — | 4 | 12 | 23 | 8 | 6 | 10 | — | — | — | — | 2 | 13 | 4 | 2 | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -11 | -10 | -11 | -9 | -10 | -11 | -13 | -14 | -13 | -10 | -9 | -9 | -5 | -5 | -10 | -11 | -11 | -13 |
min °C | -12 | -12 | -12 | -10 | -11 | -14 | -13 | -14 | -14 | -12 | -11 | -11 | -6 | -7 | -11 | -11 | -12 | -14 |
-19 | -12 | -16 | -18 | -18 | -24 | -23 | -26 | -25 | -20 | -11 | -15 | -12 | -13 | -18 | -18 | -18 | -19 | |
75 | 76 | 91 | 83 | 94 | 96 | 95 | 94 | 89 | 77 | 66 | 76 | 62 | 83 | 92 | 86 | 81 | 80 | |
0 | 300 | 0 | 350 | 350 | 0 | 0 | 0 | 0 | 0 | 250 | 0 | 700 | 1000 | 0 | 0 | 150 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | 5:00 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -9°C on Sat morning, min -14°C on Sat night). Winds increasing (calm 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. Temperatures will be below freezing (max -5°C on Tue morning, min -14°C on Wed night). Wind will be generally light.
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Latest snow reports near Shiga Kogen-Ichinose Diamond:
34 km away from Shiga Kogen-Ichinose Diamond
6 minutes ago
Excellent on and off piste conditions. Another glorious day. from Ikenotaira Onsen Alpenblick
38 km away from Shiga Kogen-Ichinose Diamond
4 hours ago
There is heavy snow falling at Ishiuchi Maruyama. from Ishiuchi Maruyama
25 km away from Shiga Kogen-Ichinose Diamond
17 hours agoIt is snowing steadily at Togari Onsen. from Togari Onsen
24 km away from Shiga Kogen-Ichinose Diamond
23 hours agoIt is snowing heavily in Madarao Kogen. from Madarao Kogen
Shiga Kogen-Ichinose Diamond Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 26 cm |
| Last snowfall: | 22 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. |
1.0 | 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 1708 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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