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Japan Christmas Snow Roundup #294
Weekly Snow News for Japan, updated 24 December 2025: Siberian cold continues to deliver exceptional snowfall, with Hokkaido leading global totals.
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Shiga Kogen-Tannenomori Okojo at 1700 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 25 Dec 2025
Now
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | | |  |  |  |  | | | | | | |
light rain | mod. snow | snow shwrs | heavy snow | mod. snow | snow shwrs | cloudy | cloudy | snow shwrs | snow shwrs | clear | clear | some clouds | clear | snow shwrs | snow shwrs | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 8 | 7 | 31 | 8 | 2 | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | |
3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | -1 | -3 | -10 | -12 | -15 | -9 | -9 | -10 | -4 | -4 | -7 | -2 | -2 | -4 | -4 | -5 | -7 |
min °C | 2 | -2 | -8 | -11 | -14 | -16 | -11 | -12 | -12 | -6 | -8 | -8 | -4 | -5 | -5 | -4 | -8 | -10 |
-1 | -5 | -19 | -21 | -25 | -22 | -16 | -16 | -18 | -11 | -11 | -13 | -9 | -11 | -12 | -9 | -12 | -14 | |
99 | 99 | 85 | 96 | 95 | 82 | 62 | 63 | 72 | 73 | 62 | 53 | 44 | 69 | 88 | 94 | 76 | 74 | |
2350 | 1500 | 1150 | 300 | 0 | 0 | 0 | 350 | 0 | 650 | 1000 | 250 | 1100 | 1500 | 950 | 1100 | 950 | 200 | |
 | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:35 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — |
Next 0-3 days weather summary:
Light rain (total 3.0mm) on Thu morning. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 2°C on Thu morning, min -16°C on Fri night). Winds increasing (calm on Thu afternoon, strong winds from the NNW by Thu night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -2°C on Mon morning, min -10°C on Tue night). Wind will be generally light.
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Latest snow reports near Shiga Kogen-Tannenomori Okojo:
33 km away from Shiga Kogen-Tannenomori Okojo
42 minutes ago
Continuous light rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
34 km away from Shiga Kogen-Tannenomori Okojo
2 hours ago
Snow falling on the slopes above Ikenotaira Onsen Alpenblick. from Ikenotaira Onsen Alpenblick
43 km away from Shiga Kogen-Tannenomori Okojo
18 hours agoPartly cloudy at Joetsu Kokusai. Calm. Thaw. No fresh snow. There are some open lifts. The pistes are rocky. Spring-snow conditions off-piste from Joetsu Kokusai
Shiga Kogen-Tannenomori Okojo Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 24 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
Snow History
Week 4 of December has on average:
1.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Tannenomori Okojo Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Shiga Kogen-Tannenomori Okojo at the specific elevation of 1700 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Tannenomori Okojo. 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 Tannenomori Okojo.
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