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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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Biwako Valley at 1174 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 22 Jan 2026
Now
Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  |  |  | | |  | | | | |
snow shwrs | some clouds | snow shwrs | clear | clear | snow shwrs | snow shwrs | mod. snow | light snow | mod. snow | light snow | light snow | cloudy | some clouds | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
2 | — | — | — | — | — | 7 | 8 | 5 | 6 | 1 | — | — | — | — | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -7 | -6 | -6 | -5 | -6 | -7 | -7 | -7 | -8 | -7 | -3 | -3 | -2 | -2 | -5 |
min °C | -9 | -7 | -6 | -7 | -5 | -7 | -8 | -8 | -8 | -8 | -8 | -5 | -4 | -2 | -4 | -7 |
-20 | -16 | -15 | -16 | -15 | -18 | -20 | -18 | -19 | -18 | -17 | -10 | -12 | -9 | -13 | -17 | |
84 | 86 | 81 | 76 | 69 | 72 | 77 | 92 | 92 | 91 | 94 | 68 | 75 | 88 | 90 | 92 | |
0 | 0 | 500 | 0 | 500 | 500 | 0 | 200 | 250 | 0 | 0 | 450 | 400 | 700 | 900 | 400 | |
 | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — |
 | — | — | 5:14 | — | — | 5:15 | — | — | 5:15 | — | — | 5:16 | — | — | 5:17 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -5°C on Sat morning, min -9°C on Thu night). Winds increasing (fresh winds from the W on Fri morning, near gales from the WNW by Sat night).
Next 4-6 days weather summary:
A moderate fall of snow, heaviest on Sun night. Temperatures will be below freezing (max -2°C on Tue morning, min -8°C on Sun night). Winds decreasing (strong winds from the NNW on Sun night, light winds from the W by Mon afternoon).
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Snow Radar
Latest snow reports near Biwako Valley:
Biwako Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 43 cm |
| Last snowfall: | 21 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Shiga are reporting: powder (0) / good piste (0)
Snow History
Week 4 of January has on average:
0.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | Powder days Fresh snow, limited sun, any wind. |
1.9 | Bluebird days Average snow, mostly sunny, light wind. |
Biwako Valley Forecast Snowfall
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Other resorts in Japan - Shiga are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Biwako Valley at the specific elevation of 1174 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Biwako 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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