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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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Okunakayama Kōgen at 800 m altitude
Issued by Snow-Forecast.com at: 8 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 | |
 |  |  |  |  |  | | | |  |  |  | | |  | | |  | |
light snow | snow shwrs | snow shwrs | some clouds | clear | some clouds | clear | some clouds | some clouds | rain shwrs | mod. rain | light snow | light snow | clear | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | 1 | 7 | — | — | — | — | — | — | — | |
max °C | -5 | -5 | -4 | 1 | 1 | 2 | 6 | 6 | 6 | 8 | 7 | 2 | -5 | -4 | -4 | 0 | 1 | 2 |
min °C | -6 | -6 | -6 | -2 | 0 | 1 | 4 | 5 | 5 | 8 | 5 | -4 | -5 | -5 | -5 | -2 | 1 | 1 |
-14 | -14 | -14 | -6 | -4 | -4 | -2 | 0 | 0 | 4 | 0 | -11 | -12 | -10 | -9 | -2 | -2 | -4 | |
88 | 81 | 91 | 90 | 79 | 53 | 66 | 91 | 86 | 77 | 97 | 82 | 83 | 76 | 61 | 39 | 39 | 60 | |
0 | 250 | 0 | 400 | 1150 | 2300 | 2050 | 2150 | 2400 | 2800 | 2350 | 700 | 0 | 300 | 0 | 0 | 1100 | 1700 | |
 | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — |
 | — | 4:10 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:13 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 6°C on Sat morning, min -6°C on Thu morning). Winds increasing (light winds from the SW on Fri afternoon, fresh winds from the SW by Sat night).
Next 4-6 days weather summary:
Light rain (total 8.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sun morning, min -5°C on Mon morning). Winds decreasing (strong winds from the SW on Sun morning, calm by Tue morning).
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Latest snow reports near Okunakayama Kōgen:
21 km away from Okunakayama Kōgen
8 hours ago
Great skiing thanks to the recent snowfalls. Light snow falling up high. from Appi Kogen
46 km away from Okunakayama Kōgen
13 hours ago
Freezing rain reported from Morioka at 241 metres elevation 8 kms ENE of Morioka Highland but it is forecast cold enough for snow at the ski area from Morioka Highland
46 km away from Okunakayama Kōgen
19 hours agoRain and snow or hail reported from Morioka at 241 metres elevation 8 kms ENE of Morioka Highland Ski Resort from Morioka Highland
Okunakayama Kōgen 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 - Iwate are reporting: powder (1) / good piste (1)
Snow History
Week 3 of December has on average:
1.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.6 | Powder days Fresh snow, limited sun, any wind. |
1.6 | Bluebird days Average snow, mostly sunny, light wind. |
Okunakayama Kōgen Forecast Snowfall
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Other resorts in Japan - Iwate are reporting: powder (1) / good piste (1)
The above table gives the weather forecast for Okunakayama Kōgen at the specific elevation of 800 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Okunakayama Kōgen. 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 Okunakayama Kogen.
Visitor Reviews of Okunakayama Kōgen
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