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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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Grandeko Ski Resort at 1300 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 | some clouds | clear | some clouds | cloudy | rain shwrs | light snow | light snow | some clouds | clear | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | — | |
max °C | -6 | -6 | -2 | 2 | 4 | 7 | 8 | 8 | 9 | 10 | 8 | 4 | -5 | -5 | -1 | 2 | 2 | 5 |
min °C | -6 | -6 | -5 | 0 | 4 | 5 | 7 | 7 | 8 | 9 | 6 | -3 | -5 | -6 | -5 | 0 | 2 | 2 |
-15 | -13 | -11 | -3 | 1 | 2 | 5 | 4 | 5 | 6 | 3 | -10 | -13 | -12 | -10 | -2 | -1 | -1 | |
90 | 94 | 62 | 43 | 30 | 28 | 43 | 80 | 62 | 68 | 85 | 96 | 92 | 92 | 53 | 24 | 33 | 33 | |
550 | 550 | 0 | 1400 | 2200 | 2600 | 2500 | 2650 | 2800 | 2850 | 2850 | 1550 | 600 | 650 | 350 | 1250 | 1650 | 2150 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — |
Next 0-3 days weather summary:
A dusting of new snow. Freeze-thaw conditions (max 9°C on Sat night, min -6°C on Thu morning). Winds decreasing (fresh winds from the WNW on Thu morning, light winds from the SW by Fri night).
Next 4-6 days weather summary:
Light rain (total 3.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 10°C on Sun morning, min -6°C on Mon afternoon). Winds decreasing (fresh winds from the WNW on Sun night, calm by Mon night).
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Snow Radar
Latest snow reports near Grandeko Ski Resort:
Grandeko Ski Resort Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 15 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
1.5 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
Grandeko Ski Resort Forecast Snowfall
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Other resorts in Japan - Fukushima are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Grandeko Ski Resort at the specific elevation of 1300 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Grandeko Ski Resort. 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.
Visitor Reviews of Grandeko Ski Resort
Overall 2.8 Based on 1 vote and 2 reviews
- Snowsure
- Variety of pistes
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- Tom from Australia writes:
It could be a much better resort if its management had any idea of what it was doing! The grooming manager should be sacked. The amount of useless grooming where no one skis, particularly at the bottom of the mountain, is atrocious. They groom to the top of the black runs, seducing the beginners onto the run with no option to get out and then leave the steep part un-groomed. Then they groom the last twenty metres. The widest runs are groomed right to the edges, again an unnecessary expense, with untracked grooming late in the day. Every lift is too low. Suit a 3 year old but no one older. At the top of each lift there is no off-ramp but a hill climb to get off. Then it is an uphill hike to get to the runs. They are anal about off-piste skiing with useless restrictions. Long fences everywhere near the top of runs trying to stop you getting to the best skiing. Under the lift lines, where the best wide open powder lives, is supposedly banned. Why they do not allow it is beyond common sense when the chairs are way above skiers heads and the only decent vertical is there. The whole place is too flat for anyone above intermediate but could be made very good with a different company attitude plus a decent mountain and grooming manager. Nekoma and Alts Bandai are much better, even though both could be a lot better with some better lift exits and more relaxed attitudes to off-piste skiing. If it snows here the skiing is great. Without consistent powder all 3 are boring.
Visitor Reviews of Grandeko Ski Resort
Tom from Australia writes:
It could be a much better resort if its management had any idea of what it was doing!
The grooming manager should be sacked. The amount of useless grooming where no one skis, particularly at the bottom of the mountain, is atrocious. They groom to the top of the black runs, seducing the beginners onto the run with no option to get out and then leave the steep part un-groomed. Then they groom the last twenty metres. The widest runs are groomed right to the edges, again an unnecessary expense, with untracked grooming late in the day.
Every lift is too low. Suit a 3 year old but no one older. At the top of each lift there is no off-ramp but a hill climb to get off. Then it is an uphill hike to get to the runs.
They are anal about off-piste skiing with useless restrictions. Long fences everywhere near the top of runs trying to stop you getting to the best skiing. Under the lift lines, where the best wide open powder lives, is supposedly banned. Why they do not allow it is beyond common sense when the chairs are way above skiers heads and the only decent vertical is there.
The whole place is too flat for anyone above intermediate but could be made very good with a different company attitude plus a decent mountain and grooming manager.
Nekoma and Alts Bandai are much better, even though both could be a lot better with some better lift exits and more relaxed attitudes to off-piste skiing.
If it snows here the skiing is great. Without consistent powder all 3 are boring.
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