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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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Rocky Mountain at 2104 m altitude
Issued by Snow-Forecast.com at: 4 pm (local time) / 18 Dec 2025
Now
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | | |  |  | |  | | |
light snow | light snow | snow shwrs | snow shwrs | snow shwrs | snow shwrs | snow shwrs | snow shwrs | some clouds | some clouds | snow shwrs | snow shwrs | clear | clear | some clouds | cloudy | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 3 | 3 | — | 1 | — | — | — | — | — | — | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | 0 | -4 | -9 | -10 | -8 | -8 | -7 | -5 | -4 | -6 | -5 | -5 | -6 | -3 | -2 | -2 |
min °C | -7 | -2 | -7 | -10 | -10 | -9 | -8 | -8 | -7 | -6 | -7 | -6 | -6 | -7 | -6 | -3 | -4 |
-15 | -11 | -19 | -22 | -21 | -20 | -18 | -18 | -16 | -14 | -16 | -15 | -16 | -16 | -15 | -9 | -7 | |
82 | 96 | 85 | 82 | 83 | 77 | 88 | 59 | 53 | 85 | 74 | 59 | 60 | 78 | 59 | 77 | 96 | |
1100 | 2050 | 1200 | 700 | 750 | 950 | 850 | 700 | 1150 | 950 | 700 | 1400 | 950 | 700 | 1500 | 1400 | 1350 | |
 | — | — | 8:15 | — | — | 8:15 | — | — | 8:17 | — | — | 8:17 | — | — | 8:17 | — | — |
 | 4:38 | — | — | 4:39 | — | — | 4:39 | — | — | 4:40 | — | — | 4:40 | — | — | 4:42 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Fri morning. Temperatures will be below freezing (max 0°C on Thu night, min -10°C on Fri afternoon). Winds increasing (moderate winds from the WSW on Thu afternoon, severe gales from the WSW by Thu night).
Next 4-6 days weather summary:
A dusting of new snow. Temperatures will be below freezing (max -2°C on Tue afternoon, min -7°C on Sun night). Winds decreasing (strong winds from the W on Mon morning, light winds from the S by Tue night).
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Snow Radar
Latest snow reports near Rocky Mountain:
Rocky Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 10 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Montana are reporting: powder (0) / good piste (1)
Snow History
Week 3 of December has on average:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
1.8 | Bluebird days Average snow, mostly sunny, light wind. |
Rocky Mountain Forecast Snowfall
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Photos of Rocky Mountain
Upload new photo Other resorts in USA - Montana are reporting: powder (0) / good piste (1)
The above table gives the weather forecast for Rocky Mountain at the specific elevation of 2104 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Rocky 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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