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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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Izumi Kogen Spring Valley at 823 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 | clear | snow shwrs | light snow | snow shwrs | snow shwrs | snow shwrs | cloudy | light snow | light snow | light snow | snow shwrs | some clouds | snow shwrs | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | 3 | 4 | 2 | 1 | — | — | 1 | 3 | — | 1 | — | — | 1 | |
— | — | — | 1 | — | — | — | — | — | — | — | 2 | — | — | — | — | |
max °C | -1 | 5 | 6 | 3 | -7 | -7 | -5 | -2 | -2 | -1 | 1 | 2 | 1 | -2 | -3 | -3 |
min °C | -3 | 2 | 4 | -7 | -8 | -8 | -7 | -4 | -3 | -3 | 0 | 1 | -2 | -3 | -4 | -4 |
-9 | -3 | -2 | -18 | -18 | -19 | -17 | -12 | -7 | -8 | -4 | -7 | -12 | -13 | -14 | -14 | |
79 | 64 | 47 | 73 | 88 | 86 | 78 | 81 | 77 | 85 | 99 | 97 | 92 | 79 | 76 | 87 | |
0 | 1300 | 1700 | 550 | 0 | 0 | 0 | 350 | 550 | 300 | 800 | 1500 | 1000 | 500 | 450 | 350 | |
 | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — |
Next 0-3 days weather summary:
Drizzle on Thu night followed by colder weather and a moderate fall of snow, heaviest on Fri morning. Freeze-thaw conditions (max 6°C on Thu afternoon, min -8°C on Fri morning). Winds decreasing (near gales from the W on Thu night, light winds from the WSW by Sat afternoon).
Next 4-6 days weather summary:
A light covering of new snow, mostly falling on Sun morning. Becoming milder with light rain (total 2.0mm) on Sun afternoon. Freeze-thaw conditions (max 2°C on Sun afternoon, min -4°C on Mon afternoon). Mainly severe gales.
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Snow Radar
Latest snow reports near Izumi Kogen Spring Valley:
Izumi Kogen Spring Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 4 cm |
| Last snowfall: | 9 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Miyagi are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
1.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
1.2 | Bluebird days Average snow, mostly sunny, light wind. |
Izumi Kogen Spring Valley Forecast Snowfall
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Other resorts in Japan - Miyagi are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Izumi Kogen Spring Valley at the specific elevation of 823 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Izumi Kogen Spring Valley. 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 Izumi Kogen Spring Valley
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