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Japan Weekly Snow Roundup #298
Weekly Snow News for Japan, updated 21 January 2026: Japan leads global snowfall again, with 1m (40") in 72 hours on Hokkaido and heavy, cold powder spreading into Honshu.
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Sun Valley (Nagano) at 1510 m altitude
Issued by Snow-Forecast.com at: 8 am (local time) / 24 Jan 2026
Now
Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | |  | | |  |  |  |  |  | | |  |  | | | |
mod. snow | mod. snow | heavy snow | mod. snow | light snow | heavy snow | light snow | cloudy | cloudy | clear | some clouds | mod. snow | light snow | light snow | snow shwrs | snow shwrs | mod. snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
7 | 6 | 18 | 9 | 5 | 10 | 1 | — | — | — | — | 9 | 2 | 1 | — | — | 6 | 3 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -8 | -9 | -10 | -11 | -12 | -13 | -10 | -9 | -9 | -4 | -3 | -6 | -9 | -9 | -12 | -9 | -9 | -12 |
min °C | -8 | -10 | -12 | -12 | -13 | -13 | -12 | -12 | -11 | -6 | -7 | -11 | -10 | -11 | -13 | -10 | -10 | -15 |
-13 | -14 | -20 | -21 | -23 | -23 | -18 | -12 | -11 | -10 | -10 | -16 | -16 | -16 | -18 | -14 | -17 | -20 | |
93 | 89 | 96 | 95 | 93 | 94 | 89 | 80 | 58 | 47 | 69 | 94 | 87 | 85 | 91 | 82 | 86 | 94 | |
300 | 150 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 550 | 1050 | 0 | 0 | 200 | 0 | 0 | 200 | 0 | |
 | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:50 | — | — | 6:50 | — | — |
 | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — | — | 5:05 | — | — | 5:06 | — | — | 5:07 | — |
Next 0-3 days weather summary:
A heavy fall of snow, heaviest during Sat night. Temperatures will be well below freezing (max -8°C on Sat morning, min -13°C on Sun afternoon). Winds decreasing (fresh winds from the WNW on Sun afternoon, calm by Mon night).
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Thu afternoon. Temperatures will be below freezing (max -3°C on Tue afternoon, min -15°C on Thu night). Wind will be generally light.
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Latest snow reports near Sun Valley (Nagano):
33 km away from Sun Valley (Nagano)
3 hours ago
Great snow conditions throughout area. Good news, snow is forecast. from Ikenotaira Onsen Alpenblick
41 km away from Sun Valley (Nagano)
6 hours ago
Heavy snow is falling at Lotte Arai Resort. from Lotte Arai Resort
Sun Valley (Nagano) Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 9 cm |
| Last snowfall: | 23 Jan 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
Snow History
Week 4 of January has on average:
1.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.5 | Powder days Fresh snow, limited sun, any wind. |
0.9 | Bluebird days Average snow, mostly sunny, light wind. |
Sun Valley (Nagano) Forecast Snowfall
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Photos of Sun Valley (Nagano)
Upload new photo Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)
The above table gives the weather forecast for Sun Valley (Nagano) at the specific elevation of 1510 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Sun Valley (Nagano). 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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