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Japan Weekly Snow Roundup #293
Weekly Snow News for Japan, updated 17 December 2025: Siberian cold fuels relentless powder storms, with Hokkaido leading Japan’s mid-winter surge.
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Shiga Kogen-Ichinose Yamanokami at 1655 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  | |  | |  |  | | |  | | |  | |
snow shwrs | snow shwrs | clear | clear | clear | rain shwrs | some clouds | some clouds | some clouds | some clouds | light snow | light snow | light snow | snow shwrs | snow shwrs | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | 2 | 2 | — | — | — | — | — | |
— | — | — | — | — | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | |
max °C | -5 | -5 | 0 | 2 | 4 | 5 | 5 | 6 | 6 | 7 | 5 | 0 | -5 | -5 | -3 | 1 | 1 | -1 |
min °C | -6 | -5 | -3 | 1 | 3 | 4 | 4 | 5 | 6 | 6 | 2 | -4 | -5 | -6 | -4 | -2 | -1 | -2 |
-12 | -10 | -5 | -2 | 0 | 1 | 0 | 2 | 3 | 3 | -1 | -9 | -10 | -9 | -4 | -5 | -4 | -6 | |
86 | 82 | 40 | 39 | 47 | 29 | 84 | 78 | 76 | 80 | 97 | 99 | 93 | 83 | 59 | 55 | 60 | 71 | |
700 | 800 | 850 | 1900 | 2400 | 2550 | 2450 | 2650 | 2800 | 2900 | 2500 | 1200 | 900 | 850 | 650 | 1350 | 2100 | 1150 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — |
Next 0-3 days weather summary:
A dusting of snow on Thu morning. Freezing level rising with drizzle on Fri night. Freeze-thaw conditions (max 6°C on Sat afternoon, min -6°C on Thu morning). Wind will be generally light.
Next 4-6 days weather summary:
Drizzle at first, then turning colder with dusting of snow on Mon morning. Freeze-thaw conditions (max 7°C on Sun morning, min -6°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Shiga Kogen-Ichinose Yamanokami:
33 km away from Shiga Kogen-Ichinose Yamanokami
1 hour ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
48 km away from Shiga Kogen-Ichinose Yamanokami
1 hour agoContinuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
Shiga Kogen-Ichinose Yamanokami Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 3 of December has on average:
2.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.6 | Powder days Fresh snow, limited sun, any wind. |
0.7 | 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 1655 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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