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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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Seki Onsen at 900 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 | |
 |  |  | |  | | | |  |  |  |  | | | | | | |
snow shwrs | clear | clear | clear | some clouds | clear | clear | some clouds | light rain | heavy rain | light snow | light snow | light snow | clear | clear | clear | some clouds | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | 3 | 2 | 1 | — | — | — | — | |
— | — | — | — | — | — | — | — | 1 | 12 | 3 | — | — | — | — | — | — | |
max °C | -1 | -2 | 6 | 6 | 3 | 10 | 10 | 7 | 9 | 8 | 3 | -2 | -2 | -2 | 5 | 6 | 3 |
min °C | -4 | -3 | 2 | 4 | 3 | 6 | 7 | 7 | 9 | 5 | -1 | -2 | -3 | -3 | 2 | 3 | 2 |
-4 | -3 | -1 | 2 | 0 | 4 | 5 | 4 | 6 | 2 | -6 | -7 | -6 | -3 | -1 | 0 | -2 | |
82 | 54 | 47 | 48 | 52 | 74 | 69 | 67 | 75 | 97 | 97 | 93 | 90 | 58 | 45 | 43 | 53 | |
700 | 0 | 2100 | 2550 | 2550 | 2550 | 2650 | 2850 | 2850 | 2600 | 1150 | 600 | 550 | 0 | 1850 | 2150 | 2350 | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — |
Next 0-3 days weather summary:
Some drizzle, heaviest during Sun morning. Freeze-thaw conditions (max 10°C on Sat morning, min -4°C on Thu afternoon). Wind will be generally light.
Next 4-6 days weather summary:
Mild with moderate rain (total 16.0mm) on Sun afternoon, Becoming colder with a light covering of snow, mostly falling on Sun night. Freeze-thaw conditions (max 8°C on Sun afternoon, min -3°C on Mon afternoon). Wind will be generally light.
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Latest snow reports near Seki Onsen:
21 km away from Seki Onsen
7 hours ago
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
23 km away from Seki Onsen
7 hours agoRain and snow or hail reported from Takada at 18 metres elevation only 2 kms E of Kanayasan Ski Resort from Kanayasan
21 km away from Seki Onsen
9 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
28 km away from Seki Onsen
10 hours ago
There is heavy snow falling at Hakuba Cortina Kokusai. from Hakuba Cortina Kokusai
Seki Onsen 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 Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 3 of December has on average:
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.0 | Powder days Fresh snow, limited sun, any wind. |
0.1 | Bluebird days Average snow, mostly sunny, light wind. |
Seki Onsen Forecast Snowfall
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Photos of Seki Onsen
Upload new photo Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Seki Onsen at the specific elevation of 900 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Seki Onsen. 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.
Resort name is also written as Myokokogen Seki Onsen.
Visitor Reviews of Seki Onsen
Overall 4.7 Based on 2 votes and 2 reviews
- Snowsure
- Variety of pistes
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- Nicholas Klar from Japan writes:
Seki Onsen is not as popular as it was in its hey day. Yet it has a certain appeal and was even featured recently on the Travel Channel's world ski series (Japan's only one). Although small, it's best not to ski off-piste here unless you are really sure what you're doing. For more information check out sekionsen.com (Japanese) or http://myoko-nojiri.com /ski.htm (English)
Visitor Reviews of Seki Onsen
Nicholas Klar from Japan writes:
Seki Onsen is not as popular as it was in its hey day. Yet it has a certain appeal and was even featured recently on the Travel Channel's world ski series (Japan's only one). Although small, it's best not to ski off-piste here unless you are really sure what you're doing. For more information check out sekionsen.com (Japanese) or http://myoko-nojiri.com /ski.htm (English)
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