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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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Heavens Sonohara Snow World at 1600 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 11 Dec 2025
Now
Thu 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | |  |  |  |  | | | |  | | | | |
cloudy | snow shwrs | clear | clear | some clouds | clear | some clouds | light snow | light snow | snow shwrs | snow shwrs | clear | clear | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 1 | — | — | — | — | — | 4 | 2 | 2 | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | |
max °C | 1 | 1 | -4 | -4 | -4 | -1 | 0 | 2 | 2 | -2 | -4 | -4 | -4 | -2 | -2 | -1 | -1 |
min °C | 1 | -5 | -6 | -4 | -4 | -3 | 0 | 1 | 0 | -4 | -5 | -5 | -4 | -4 | -3 | -2 | -2 |
-4 | -13 | -14 | -9 | -4 | -7 | -4 | -5 | -5 | -12 | -13 | -12 | -11 | -7 | -7 | -7 | -7 | |
81 | 96 | 36 | 28 | 54 | 86 | 65 | 84 | 99 | 97 | 64 | 58 | 52 | 41 | 37 | 64 | 87 | |
1700 | 1550 | 650 | 1100 | 0 | 1050 | 1650 | 1950 | 2400 | 1350 | 750 | 850 | 1100 | 400 | 1100 | 1350 | 1200 | |
 | — | — | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — |
 | 4:36 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Sat night. Becoming milder with light rain (total 6.0mm) on Sun morning. Freeze-thaw conditions (max 2°C on Sat night, min -6°C on Fri morning). Winds decreasing (strong winds from the WSW on Thu night, calm by Fri night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -1°C on Tue afternoon, min -5°C on Sun night). Winds decreasing (strong winds from the WNW on Sun afternoon, light winds from the NW by Mon night).
Popular Heavens Sonohara Snow World Pages
Snow Radar
Latest snow reports near Heavens Sonohara Snow World:
Heavens Sonohara Snow World Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 5 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
Snow History
Week 2 of December has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.4 | Powder days Fresh snow, limited sun, any wind. |
2.0 | Bluebird days Average snow, mostly sunny, light wind. |
Heavens Sonohara Snow World Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)
The above table gives the weather forecast for Heavens Sonohara Snow World at the specific elevation of 1600 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Heavens Sonohara Snow World. 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.
Visitor Reviews of Heavens Sonohara Snow World
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