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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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Adatara Kogen at 1035 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 19 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | | |  |  |  | |  |  | |  |  | |  | | |
clear | clear | some clouds | clear | clear | some clouds | light rain | rain shwrs | snow shwrs | clear | some clouds | clear | some clouds | cloudy | cloudy | cloudy | mod. rain | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 2 | |
— | — | — | — | — | — | 4 | 1 | 4 | — | — | — | — | — | — | — | 8 | 3 | |
max °C | 3 | 5 | 6 | 9 | 9 | 10 | 11 | 11 | 4 | -4 | -4 | -2 | 1 | 0 | 2 | 5 | 6 | 7 |
min °C | 1 | 4 | 4 | 7 | 8 | 8 | 10 | 7 | -3 | -4 | -5 | -5 | -1 | 0 | 1 | 3 | 5 | -2 |
-2 | 1 | 1 | 5 | 5 | 4 | 6 | 4 | -11 | -12 | -12 | -11 | -3 | -5 | -4 | -4 | -1 | -11 | |
52 | 38 | 46 | 43 | 74 | 77 | 83 | 81 | 86 | 83 | 81 | 76 | 42 | 58 | 61 | 90 | 96 | 92 | |
1250 | 2150 | 2600 | 2500 | 2650 | 2900 | 2900 | 2850 | 1300 | 500 | 550 | 0 | 750 | 1000 | 1750 | 1800 | 2450 | 1400 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — |
Next 0-3 days weather summary:
Light rain (total 9.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 11°C on Sun morning, min -3°C on Sun night). Winds increasing (light winds from the WSW on Fri morning, strong winds from the WNW by Sun night).
Next 4-6 days weather summary:
Moderate rain (total 11.0mm) heaviest on Wed afternoon, then becoming colder with a dusting of snow on Wed night. Freeze-thaw conditions (max 7°C on Wed night, min -5°C on Mon afternoon). Winds increasing (calm on Tue morning, near gales from the WNW by Wed night).
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Latest snow reports near Adatara Kogen:
Adatara Kogen Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
1.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
1.2 | Bluebird days Average snow, mostly sunny, light wind. |
Adatara Kogen Forecast Snowfall
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Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Adatara Kogen at the specific elevation of 1035 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Adatara 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.
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