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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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Nihonmatsu Shiozawa at 925 m altitude
Issued by Snow-Forecast.com at: 8 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 | |
 |  |  |  | | | |  | |  | | | | | | | |  | |
some clouds | clear | light snow | light snow | light snow | light snow | light snow | cloudy | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | clear | cloudy | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 5 | 3 | 2 | 2 | — | — | 4 | 5 | — | 4 | 1 | 1 | 2 | — | — | — | |
— | — | 1 | — | — | — | — | — | — | — | 3 | — | — | — | — | — | — | — | |
max °C | 5 | 6 | 2 | -7 | -7 | -5 | -3 | -2 | 1 | 1 | 2 | -1 | -3 | -3 | -3 | -1 | 0 | 1 |
min °C | 3 | 4 | -7 | -7 | -7 | -6 | -4 | -3 | -2 | 0 | 0 | -2 | -3 | -4 | -4 | -2 | -1 | -1 |
-2 | 0 | -18 | -17 | -18 | -15 | -10 | -6 | -7 | -6 | -10 | -13 | -13 | -12 | -11 | -7 | -6 | -7 | |
65 | 50 | 78 | 85 | 83 | 86 | 81 | 71 | 90 | 98 | 95 | 91 | 86 | 85 | 90 | 72 | 67 | 84 | |
1450 | 1800 | 750 | 0 | 0 | 0 | 350 | 650 | 350 | 850 | 1550 | 750 | 550 | 500 | 350 | 600 | 950 | 800 | |
 | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — |
Next 0-3 days weather summary:
Drizzle on Thu night followed by colder weather and a moderate fall of snow, heaviest on Sat night. Freeze-thaw conditions (max 6°C on Thu afternoon, min -7°C on Thu night). Winds decreasing (near gales from the WNW on Fri morning, light winds from the SW 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 afternoon, min -4°C on Mon afternoon). Mainly stormy winds.
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Latest snow reports near Nihonmatsu Shiozawa:
Nihonmatsu Shiozawa Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 10 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
Nihonmatsu Shiozawa 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 Nihonmatsu Shiozawa at the specific elevation of 925 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Nihonmatsu Shiozawa. 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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