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Japan Weekly Snow Roundup #292
Weekly Snow News for Japan, updated 10 December 2025: early-season bases deepen rapidly as Siberian air drives repeated snow across Hokkaido and Honshu
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Shiga Kogen-Ichinose Yamanokami at 1600 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 11 Dec 2025
Now
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | |  | | | | | |  | |
some clouds | heavy snow | mod. snow | light snow | snow shwrs | clear | cloudy | cloudy | light snow | light snow | mod. snow | light snow | light snow | snow shwrs | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 24 | 5 | 3 | 1 | — | — | — | 3 | 4 | 8 | 3 | 3 | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | -2 | -9 | -10 | -10 | -4 | -3 | -1 | 0 | -1 | -6 | -6 | -7 | -9 | -3 | -2 | -4 |
min °C | -1 | -10 | -10 | -11 | -12 | -7 | -6 | -7 | 0 | -4 | -8 | -7 | -8 | -10 | -5 | -6 | -6 |
-6 | -20 | -20 | -19 | -19 | -10 | -11 | -13 | -4 | -11 | -16 | -15 | -14 | -14 | -8 | -10 | -10 | |
43 | 97 | 91 | 89 | 83 | 65 | 63 | 76 | 97 | 99 | 94 | 94 | 93 | 72 | 46 | 62 | 78 | |
1950 | 650 | 0 | 0 | 0 | 450 | 1100 | 850 | 1600 | 1500 | 650 | 500 | 600 | 0 | 900 | 1250 | 850 | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | 4:29 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Thu afternoon, min -12°C on Fri night). Winds decreasing (fresh winds from the NW on Fri morning, light winds from the WNW by Sat morning).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -1°C on Sun afternoon, min -10°C on Mon night). Winds decreasing (fresh winds from the WNW on Sun night, calm by Mon night).
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Latest snow reports near Shiga Kogen-Ichinose Yamanokami:
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22 hours agoSnow falling in Nozawa Onsen. from Nozawa Onsen
Shiga Kogen-Ichinose Yamanokami Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of December has on average:
1.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.4 | Powder days Fresh snow, limited sun, any wind. |
0.5 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Ichinose Yamanokami Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Shiga Kogen-Ichinose Yamanokami at the specific elevation of 1600 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Ichinose Yamanokami. 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.
Resort name is also written as Shiga Kogen Ichinose Yamanokami.
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