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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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Izumi Kogen Spring Valley at 823 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 18 Dec 2025
Now
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  |  |  |  | | | | |  | |
clear | clear | clear | some clouds | clear | clear | clear | cloudy | light rain | snow shwrs | some clouds | clear | clear | clear | some clouds | cloudy | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
max °C | -2 | 3 | 4 | 5 | 9 | 9 | 9 | 12 | 11 | 5 | -3 | -3 | -3 | 0 | 1 | 2 |
min °C | -4 | 1 | 2 | 3 | 7 | 8 | 8 | 10 | 8 | -3 | -3 | -4 | -4 | -1 | 0 | 0 |
-11 | -1 | -2 | -1 | 4 | 5 | 5 | 8 | 4 | -13 | -12 | -12 | -11 | -1 | -4 | -4 | |
82 | 57 | 44 | 44 | 38 | 52 | 58 | 66 | 77 | 63 | 77 | 71 | 73 | 49 | 41 | 60 | |
0 | 950 | 1750 | 2500 | 2400 | 2650 | 2750 | 2950 | 2750 | 1500 | 450 | 500 | 250 | 400 | 1200 | 1700 | |
 | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | — | 4:17 | — | — | 4:17 | — | — | 4:19 | — | — | 4:19 | — | — | 4:20 | — |
Next 0-3 days weather summary:
Some drizzle, heaviest during Sun afternoon. Freeze-thaw conditions (max 12°C on Sun morning, min -4°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Light rain (total 3.0mm), mostly falling on Wed afternoon. Freeze-thaw conditions (max 7°C on Wed afternoon, min -4°C on Mon afternoon). Winds decreasing (near gales from the W on Sun night, calm by Tue morning).
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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: | 6 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Miyagi 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. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
1.1 | 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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