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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-Okushiga Kogen at 2000 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  |  |  | | | | |  | | |
snow shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | light snow | light snow | snow shwrs | snow shwrs | clear | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | 2 | 4 | 1 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -1 | 1 | 3 | 3 | 4 | 4 | 4 | 5 | 3 | -2 | -7 | -7 | -3 | 0 | 0 | 0 |
min °C | -7 | -4 | 0 | 2 | 3 | 3 | 4 | 4 | 4 | 2 | -6 | -7 | -7 | -6 | -2 | 0 | 0 |
-14 | -9 | -4 | -2 | -1 | -2 | -1 | 0 | -1 | 0 | -14 | -15 | -14 | -11 | -5 | -4 | -4 | |
68 | 36 | 32 | 39 | 26 | 61 | 59 | 65 | 82 | 97 | 98 | 65 | 67 | 30 | 26 | 39 | 41 | |
700 | 650 | 1900 | 2400 | 2550 | 2600 | 2700 | 2900 | 2950 | 2650 | 1150 | 600 | 550 | 250 | 1600 | 1950 | 1850 | |
 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — |
 | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -7°C on Thu afternoon). Mainly fresh winds.
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 3°C on Sun afternoon, min -7°C on Mon morning). Winds increasing (light winds from the WSW on Tue morning, fresh winds from the SW by Wed morning).
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Latest snow reports near Shiga Kogen-Okushiga Kogen:
35 km away from Shiga Kogen-Okushiga Kogen
3 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
44 km away from Shiga Kogen-Okushiga Kogen
3 hours agoRain and snow or hail reported from Takada at 18 metres elevation only 2 kms E of Kanayasan Ski Resort from Kanayasan
35 km away from Shiga Kogen-Okushiga Kogen
5 hours agoModerate to heavy freezing 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
Shiga Kogen-Okushiga Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 3 of December has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.1 | Powder days Fresh snow, limited sun, any wind. |
2.6 | Bluebird days Average snow, mostly sunny, light wind. |
Shiga Kogen-Okushiga Kogen 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-Okushiga Kogen at the specific elevation of 2000 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Okushiga Kogen. 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 Okushiga Kogen.
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