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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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Irwin Catskiing by Eleven at 3109 m altitude
Issued by Snow-Forecast.com at: 10 am (local time) / 17 Dec 2025
Now
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  | | |  |  | |  | | | | |
some clouds | light snow | snow shwrs | some clouds | some clouds | snow shwrs | clear | clear | cloudy | some clouds | clear | some clouds | snow shwrs | light snow | light snow | some clouds | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 3 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | 0 | -4 | -6 | -4 | -5 | 2 | 2 | -2 | 0 | 1 | -4 | -1 | -1 | -3 | 0 | 1 | -3 |
min °C | -5 | -3 | -11 | -9 | -8 | -7 | -3 | -3 | -4 | -4 | -4 | -5 | -4 | -3 | -4 | -3 | -2 | -4 |
-7 | -7 | -16 | -14 | -12 | -11 | -7 | -7 | -8 | -8 | -6 | -5 | -7 | -6 | -6 | -5 | -4 | -6 | |
54 | 75 | 71 | 48 | 52 | 65 | 52 | 52 | 61 | 61 | 66 | 66 | 90 | 95 | 91 | 75 | 95 | 76 | |
3300 | 2900 | 1650 | 2250 | 2050 | 2350 | 3500 | 3100 | 2950 | 3100 | 2850 | 2650 | 3050 | 2850 | 2700 | 3200 | 2900 | 2900 | |
 | 7:20 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — | 7:22 | — | — |
 | — | 4:47 | — | — | 4:47 | — | — | 4:47 | — | — | 4:49 | — | — | 4:49 | — | — | 4:50 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 2°C on Fri morning, min -11°C on Wed night). Winds increasing (calm on Wed morning, fresh winds from the WNW by Wed night).
Next 4-6 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 1°C on Sat afternoon, min -5°C on Sat night). Wind will be generally light.
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Snow Radar
Latest snow reports near Irwin Catskiing by Eleven:
Irwin Catskiing by Eleven Snow Conditions
| Top snow depth: | 127 cm |
|---|---|
| Bottom snow depth: | 25 cm |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in USA - Colorado are reporting: powder (0) / good piste (2)
Snow History
Week 3 of December has on average:
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
3.9 | Bluebird days Average snow, mostly sunny, light wind. |
Irwin Catskiing by Eleven Forecast Snowfall
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Photos of Irwin Catskiing by Eleven
Powder at CS Irwin by Eleven Experience
Cover Shot by Eleven Experience
Loving Life! by Eleven Experience
Upload new photo Other resorts in USA - Colorado are reporting: powder (0) / good piste (2)
The above table gives the weather forecast for Irwin Catskiing by Eleven at the specific elevation of 3109 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Irwin Catskiing by Eleven. 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.
Visitor Reviews of Irwin Catskiing by Eleven
- Dave Hallman from Canada writes:
We wanted to thank you and all the CS Irwin crew again for the great time we had skiing with you and Billy. Truely a memorable experience. We really appreciated the way in which you both presented optional lines depending on the ability of the various group members and what they were looking for. That certainly added to the experience and made for a less regimented, more skiing with friends sort of atmosphere.
Visitor Reviews of Irwin Catskiing by Eleven
Dave Hallman from Canada writes:
We wanted to thank you and all the CS Irwin crew again for the great time we had skiing with you and Billy. Truely a memorable experience. We really appreciated the way in which you both presented optional lines depending on the ability of the various group members and what they were looking for. That certainly added to the experience and made for a less regimented, more skiing with friends sort of atmosphere.
Read 5 more reviews of Irwin Catskiing by Eleven or submit your own
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