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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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Miyagi Zao Shiroishi at 846 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 18 Dec 2025
Now
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  | | | |  |  |  | | | | | | | |
snow shwrs | snow shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | some clouds | light rain | light snow | clear | clear | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | |
max °C | -1 | -2 | -3 | 4 | 4 | 3 | 10 | 9 | 8 | 12 | 11 | 6 | 0 | -1 | -2 | 2 | 2 | 2 |
min °C | -2 | -4 | -4 | 1 | 1 | 2 | 6 | 6 | 7 | 9 | 8 | 0 | -1 | -3 | -3 | 0 | 0 | 0 |
-10 | -11 | -10 | -1 | -2 | -1 | 5 | 4 | 5 | 6 | 5 | -7 | -8 | -8 | -6 | 0 | -3 | -3 | |
81 | 76 | 74 | 51 | 42 | 40 | 38 | 66 | 63 | 73 | 77 | 85 | 75 | 76 | 65 | 46 | 45 | 55 | |
500 | 600 | 0 | 1200 | 2050 | 2550 | 2550 | 2600 | 2700 | 2850 | 2800 | 1500 | 650 | 700 | 350 | 900 | 1700 | 2150 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:20 | — | — | 4:20 | — | — | 4:20 | — | — | 4:21 | — | — | 4:21 | — | — | 4:22 | — |
Next 0-3 days weather summary:
Mostly dry. Freeze-thaw conditions (max 10°C on Sat morning, min -4°C on Thu afternoon). Winds decreasing (strong winds from the WNW on Thu morning, light winds from the WSW by Fri morning).
Next 4-6 days weather summary:
Light rain (total 3.0mm), mostly falling on Sun night. Freeze-thaw conditions (max 12°C on Sun morning, min -3°C on Mon afternoon). Winds decreasing (near gales from the W on Sun night, calm by Mon night).
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Latest snow reports near Miyagi Zao Shiroishi:
Miyagi Zao Shiroishi Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 7 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:
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.7 | Powder days Fresh snow, limited sun, any wind. |
0.2 | Bluebird days Average snow, mostly sunny, light wind. |
Miyagi Zao Shiroishi 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 Miyagi Zao Shiroishi at the specific elevation of 846 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Miyagi Zao Shiroishi. 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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