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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 3429 m altitude
Issued by Snow-Forecast.com at: 4 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 | |
 |  |  | | |  | |  |  |  |  | | | | | | | |
light snow | snow shwrs | some clouds | some clouds | snow shwrs | clear | clear | light snow | cloudy | snow shwrs | some clouds | some clouds | light snow | light snow | light snow | snow shwrs | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | 5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -1 | -5 | -7 | -5 | -4 | 1 | 1 | -2 | -3 | -2 | -4 | -1 | -2 | -2 | -2 | -1 | -2 |
min °C | -3 | -10 | -10 | -7 | -6 | -3 | -2 | -3 | -4 | -4 | -5 | -4 | -2 | -3 | -3 | -2 | -2 |
-9 | -20 | -18 | -13 | -12 | -8 | -7 | -9 | -10 | -10 | -9 | -8 | -7 | -8 | -8 | -6 | -6 | |
75 | 75 | 50 | 52 | 67 | 51 | 53 | 65 | 67 | 67 | 58 | 72 | 87 | 78 | 90 | 78 | 47 | |
2900 | 1650 | 2250 | 2050 | 2350 | 3550 | 3100 | 2900 | 3000 | 2650 | 2550 | 3200 | 3000 | 3000 | 3100 | 3150 | 3100 | |
 | — | — | 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 light covering of new snow, mostly falling on Wed night. Freeze-thaw conditions (max 1°C on Fri morning, min -10°C on Wed night). Winds decreasing (strong winds from the WNW on Wed night, light winds from the WNW by Thu night).
Next 4-6 days weather summary:
Mostly dry. Temperatures will be below freezing (max 0°C on Tue morning, min -5°C on Sat night). Mainly fresh winds.
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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:
0.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.2 | Powder days Fresh snow, limited sun, any wind. |
4.0 | 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 3429 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
- Jim Horan from Canada writes:
That’s all I can say. Wow! What a way to spend my 68th birthday. Thanks to you, Billy, Caroline and Kyra (& the rest of your staff) for a super fantastic ski day. Without a doubt the best ski day of my life. Alan & Billy…you “ramped” the day up perfectly, giving everyone a chance to get comfortable & then increasing the challenge. You two guys (& Caroline & Kyra) worked your butts off for us and we appreciate it. And not to leave out the photo efforts of Alex. The pictures were great and will be a treasured memory (until next year). We skied Monarch on the way back to Avon. They reported 26” over the last 48 hours and they did have quite a dump. But it was not like the champagne that you delivered.
Visitor Reviews of Irwin Catskiing by Eleven
Jim Horan from Canada writes:
That’s all I can say. Wow! What a way to spend my 68th birthday.
Thanks to you, Billy, Caroline and Kyra (& the rest of your staff) for a super fantastic ski day. Without a doubt the best ski day of my life.
Alan & Billy…you “ramped” the day up perfectly, giving everyone a chance to get comfortable & then increasing the challenge. You two guys (& Caroline & Kyra) worked your butts off for us and we appreciate it.
And not to leave out the photo efforts of Alex. The pictures were great and will be a treasured memory (until next year).
We skied Monarch on the way back to Avon. They reported 26” over the last 48 hours and they did have quite a dump. But it was not like the champagne that you delivered.
Read 5 more reviews of Irwin Catskiing by Eleven or submit your own
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