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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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Porcupine Mountain at 247 m altitude
Issued by Snow-Forecast.com at: 6 pm (local time) / 17 Dec 2025
Now
Wed 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  | | |  | | | | |  | | | |  | |
cloudy | cloudy | light rain | light snow | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | cloudy | light snow | cloudy | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | 6 | 1 | — | 2 | — | — | 3 | 1 | — | — | — | — | — | |
— | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 5 | 3 | 2 | -8 | -10 | -9 | -4 | -2 | -7 | -9 | -8 | -7 | -9 | 0 | 0 | -1 |
min °C | -1 | 2 | 2 | -3 | -11 | -10 | -9 | -8 | -3 | -9 | -10 | -9 | -11 | -13 | -4 | -2 | -3 |
-5 | -4 | -3 | -9 | -21 | -18 | -9 | -16 | -10 | -19 | -20 | -17 | -17 | -19 | -10 | -8 | -9 | |
67 | 49 | 96 | 89 | 90 | 87 | 70 | 64 | 85 | 75 | 83 | 79 | 76 | 88 | 85 | 58 | 81 | |
1400 | 2250 | 950 | 600 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 350 | 0 | |
 | — | — | 8:37 | — | — | 8:37 | — | — | 8:37 | — | — | 8:37 | — | — | 8:38 | — | — |
 | 5:08 | — | — | 5:08 | — | — | 5:08 | — | — | 5:09 | — | — | 5:09 | — | — | 5:10 | — |
Next 0-3 days weather summary:
Mild with light rain (total 2.0mm) on Thu morning Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 5°C on Wed night, min -11°C on Thu night). Winds decreasing (strong winds from the SSW on Wed night, calm by Fri afternoon).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max 0°C on Mon morning, min -13°C on Sun night). Winds decreasing (strong winds from the W on Sat afternoon, light winds from the SW by Sun night).
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Snow Radar
Latest snow reports near Porcupine Mountain:
Porcupine Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Michigan are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.0 | Powder days Fresh snow, limited sun, any wind. |
0.4 | Bluebird days Average snow, mostly sunny, light wind. |
Porcupine Mountain Forecast Snowfall
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Other resorts in USA - Michigan are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Porcupine Mountain at the specific elevation of 247 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Porcupine Mountain. 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
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