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One of the biggest winter sport spectator events on skis returns to the French Alps next week with the Biathlon World Cup taking place from December 15-21 in Le Grand-Bornand.
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Nagaoka Shiei at 347 m altitude
Issued by Snow-Forecast.com at: 2 am (local time) / 12 Dec 2025
Now
Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  |  |  | |  | | | |  | | | | | | |
light snow | light snow | light snow | light snow | cloudy | cloudy | light rain | light rain | heavy rain | light rain | light rain | light snow | some clouds | light rain | heavy rain | light snow | light snow | light snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 2 | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 2 | |
— | — | — | — | — | — | 2 | 5 | 12 | 4 | 2 | 1 | — | 3 | 15 | 5 | — | — | |
max °C | -1 | -1 | 0 | 2 | 3 | 3 | 6 | 6 | 5 | 4 | 4 | 3 | 6 | 7 | 5 | 2 | 1 | 2 |
min °C | -1 | -1 | -1 | 0 | 1 | 1 | 4 | 6 | 4 | 3 | 4 | 1 | 3 | 5 | 3 | 2 | 1 | 1 |
-8 | -7 | -6 | 0 | -1 | -2 | 2 | 0 | -2 | -3 | -1 | -2 | 0 | 1 | 1 | 2 | -3 | -3 | |
79 | 77 | 79 | 87 | 63 | 73 | 88 | 87 | 85 | 69 | 60 | 92 | 63 | 73 | 85 | 98 | 94 | 80 | |
0 | 250 | 300 | 300 | 800 | 1650 | 1850 | 1200 | 1050 | 650 | 800 | 650 | 1000 | 1250 | 1300 | 700 | 550 | 550 | |
 | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — |
 | — | 4:25 | — | — | 4:25 | — | — | 4:27 | — | — | 4:27 | — | — | 4:27 | — | — | 4:28 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Fri morning. Becoming milder with moderate rain (total 19.0mm) heaviest on Sun night. Freeze-thaw conditions (max 6°C on Sun morning, min -1°C on Fri morning). Winds increasing (calm on Sat morning, near gales from the W by Sun night).
Next 4-6 days weather summary:
Heavy rain (total 30.0mm), mainly falling Tue night. Becoming colder with a light covering of snow, mostly falling on Wed morning. Mild temperatures (max 7°C on Tue afternoon, min 1°C on Mon night). Winds decreasing (strong winds from the WNW on Mon morning, calm by Wed morning).
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Latest snow reports near Nagaoka Shiei:
Nagaoka Shiei Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 8 cm |
| Last snowfall: | 11 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
Snow History
Week 2 of December has on average:
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.3 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
Nagaoka Shiei 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 Nagaoka Shiei at the specific elevation of 347 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Nagaoka Shiei. 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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