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60,000+ Ready For Biathlon World Cup’s Sole French Leg
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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Heavens Sonohara Snow World at 1488 m altitude
Issued by Snow-Forecast.com at: 8 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 | |
 | |  |  | |  |  |  |  | | |  | | | |  | | | |
clear | clear | some clouds | some clouds | some clouds | light snow | heavy rain | snow shwrs | snow shwrs | clear | clear | clear | clear | some clouds | some clouds | cloudy | some clouds | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 5 | — | 3 | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | 1 | 18 | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -4 | -3 | -3 | -1 | 1 | 2 | 3 | -2 | -4 | -3 | -3 | -3 | -1 | 0 | -1 | 1 | 1 | 0 |
min °C | -6 | -4 | -5 | -3 | 1 | 2 | 2 | -3 | -5 | -4 | -3 | -3 | -2 | -1 | -1 | 0 | 1 | -1 |
-13 | -7 | -5 | -7 | -2 | -3 | -3 | -11 | -14 | -11 | -8 | -6 | -7 | -6 | -6 | -4 | -4 | -4 | |
46 | 34 | 47 | 78 | 64 | 91 | 99 | 98 | 79 | 61 | 56 | 47 | 74 | 74 | 88 | 93 | 89 | 59 | |
700 | 1100 | 0 | 1000 | 1600 | 1850 | 2250 | 1200 | 650 | 850 | 1150 | 600 | 1150 | 1400 | 1350 | 1450 | 1600 | 1400 | |
 | 6:48 | — | — | 6:48 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — |
Next 0-3 days weather summary:
A light covering of new snow, mostly falling on Sat night. Becoming milder with moderate rain (total 19.0mm) heaviest on Sun morning. Freeze-thaw conditions (max 3°C on Sun morning, min -6°C on Fri morning). Winds increasing (calm on Fri night, strong winds from the WNW by Sun afternoon).
Next 4-6 days weather summary:
Mostly dry. Freeze-thaw conditions (max 1°C on Wed morning, min -4°C on Mon morning). Wind will be generally light.
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Snow Radar
Latest snow reports near Heavens Sonohara Snow World:
Heavens Sonohara Snow World Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 11 Dec 2025 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 2 of December has on average:
0.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.3 | Powder days Fresh snow, limited sun, any wind. |
2.0 | Bluebird days Average snow, mostly sunny, light wind. |
Heavens Sonohara Snow World Forecast Snowfall
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Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Heavens Sonohara Snow World at the specific elevation of 1488 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Heavens Sonohara Snow World. 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 Heavens Sonohara Snow World
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