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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
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Okutadami Maruyama at 991 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 10 Dec 2025
Now
Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | |  |  | | | | | | |
some clouds | cloudy | some clouds | heavy snow | heavy snow | mod. snow | mod. snow | light snow | cloudy | cloudy | light rain | light snow | heavy snow | mod. snow | mod. snow | mod. snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 28 | 14 | 10 | 8 | — | — | — | — | 3 | 14 | 8 | 10 | 8 | |
— | — | — | — | — | — | — | — | — | — | 5 | 2 | — | — | — | — | |
max °C | -1 | 5 | 4 | 1 | -7 | -7 | -6 | -3 | -1 | 2 | 4 | 2 | -2 | -3 | -3 | -4 |
min °C | -2 | 3 | 3 | -6 | -7 | -7 | -7 | -5 | -3 | -2 | 4 | 0 | -3 | -3 | -4 | -4 |
-6 | 0 | 0 | -16 | -17 | -16 | -15 | -9 | -6 | -6 | 2 | -8 | -11 | -10 | -12 | -12 | |
79 | 57 | 59 | 97 | 95 | 95 | 97 | 93 | 70 | 79 | 93 | 99 | 96 | 95 | 96 | 96 | |
250 | 1650 | 1750 | 700 | 0 | 0 | 0 | 300 | 800 | 1150 | 2200 | 1450 | 650 | 500 | 500 | 450 | |
 | — | 6:45 | — | — | 6:46 | — | — | 6:47 | — | — | 6:48 | — | — | 6:48 | — | — |
 | — | — | 4:24 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — | — | 4:25 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -7°C on Fri morning). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sat morning).
Next 4-6 days weather summary:
Light rain (total 7.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 4°C on Sun morning, min -4°C on Mon afternoon). Mainly near gales.
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Latest snow reports near Okutadami Maruyama:
Okutadami Maruyama Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 29 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Okutadami Maruyama Forecast Snowfall
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Photos of Okutadami Maruyama
okutadami, maruyama park (spring) by makoto
Powder in March by Keith McDonald
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Okutadami Maruyama at the specific elevation of 991 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Okutadami Maruyama. 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.
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