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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
View forecast
Omoshiroyama Kōgen Ski Park at 680 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 11 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | | |  | | | | | | |  | |
cloudy | some clouds | mod. snow | mod. snow | light snow | light snow | snow shwrs | light snow | light snow | light snow | light rain | light snow | light snow | light snow | light snow | light snow | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 8 | 5 | 3 | 2 | — | — | 1 | 4 | — | 2 | 1 | 1 | — | 2 | — | 1 | |
— | — | 4 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | |
max °C | 6 | 6 | 3 | -6 | -6 | -4 | -2 | -1 | 1 | 2 | 2 | 1 | -2 | -3 | -2 | 0 | 0 | 2 |
min °C | 3 | 5 | -6 | -6 | -7 | -6 | -3 | -4 | -2 | 1 | 2 | -2 | -2 | -3 | -3 | 0 | -2 | -1 |
-1 | -1 | -16 | -15 | -16 | -15 | -10 | -6 | -7 | -4 | -4 | -11 | -11 | -12 | -12 | -5 | -6 | -6 | |
65 | 45 | 96 | 96 | 95 | 92 | 89 | 84 | 84 | 98 | 100 | 97 | 94 | 94 | 91 | 99 | 94 | 85 | |
1350 | 1650 | 400 | 0 | 0 | 0 | 300 | 500 | 0 | 900 | 1250 | 850 | 400 | 250 | 300 | 600 | 700 | 250 | |
 | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:47 | — | — |
 | — | 4:16 | — | — | 4:16 | — | — | 4:16 | — | — | 4:17 | — | — | 4:17 | — | — | 4:17 | — |
Next 0-3 days weather summary:
Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 6°C on Thu morning, min -7°C on Fri afternoon). Winds decreasing (strong winds from the WNW on Thu night, calm by Sat afternoon).
Next 4-6 days weather summary:
A light fall of snow, heaviest on Sun morning. Turning milder with light rain (total 3.0mm) on Sun afternoon. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Mon afternoon). Mainly gales.
Popular Omoshiroyama Kōgen Ski Park Pages
Snow Radar
Latest snow reports near Omoshiroyama Kōgen Ski Park:
Omoshiroyama Kōgen Ski Park Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
0.6 | Bluebird days Average snow, mostly sunny, light wind. |
Omoshiroyama Kōgen Ski Park Forecast Snowfall
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Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Omoshiroyama Kōgen Ski Park at the specific elevation of 680 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Omoshiroyama Kōgen Ski Park. 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 Omoshiroyama Kogen Ski Park.
Visitor Reviews of Omoshiroyama Kōgen Ski Park
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