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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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Cupid Valley at 430 m altitude
Issued by Snow-Forecast.com at: 2 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 | |
 |  |  | |  | | | |  |  |  |  |  | | |  | | |
rain shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | cloudy | mod. rain | light snow | light snow | snow shwrs | clear | clear | some clouds | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | |
1 | — | — | — | — | — | — | — | — | 10 | 8 | — | — | — | — | — | — | |
max °C | 2 | -1 | 8 | 9 | 4 | 13 | 13 | 9 | 13 | 10 | 5 | 1 | 1 | -1 | 8 | 8 | 4 |
min °C | -2 | -3 | 4 | 4 | 4 | 8 | 8 | 8 | 12 | 8 | 2 | 1 | 0 | -2 | 3 | 3 | 3 |
-2 | -3 | 3 | 2 | 2 | 7 | 6 | 6 | 11 | 6 | -1 | -2 | 0 | -2 | 2 | 0 | 0 | |
73 | 68 | 62 | 69 | 63 | 79 | 76 | 74 | 76 | 97 | 94 | 94 | 82 | 75 | 51 | 53 | 62 | |
650 | 0 | 2050 | 2550 | 2600 | 2550 | 2700 | 2900 | 3000 | 2550 | 1100 | 550 | 550 | 0 | 1850 | 2200 | 2450 | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — |
Next 0-3 days weather summary:
Some drizzle, heaviest during Thu afternoon. Freeze-thaw conditions (max 13°C on Sat morning, min -3°C on Thu night). Wind will be generally light.
Next 4-6 days weather summary:
Moderate rain (total 18.0mm) heaviest on Sun afternoon, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 10°C on Sun afternoon, min -2°C on Mon night). Wind will be generally light.
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Latest snow reports near Cupid Valley:
24 km away from Cupid Valley
4 hours ago
Rain and snow or hail reported from Takada at 18 metres elevation only 2 kms E of Kanayasan Ski Resort from Kanayasan
49 km away from Cupid Valley
4 hours agoRain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
49 km away from Cupid Valley
6 hours agoModerate to heavy freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Cupid Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 17 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Cupid Valley Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Cupid Valley at the specific elevation of 430 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Cupid Valley. 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.
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