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Sun Valley (Nagano) at 1510 m altitude
Issued by Snow-Forecast.com at: 2 pm (local time) / 24 Jan 2026
Now
Sat 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | |  |  |  |  |  | | | | |  |  | |  | |
mod. snow | heavy snow | mod. snow | mod. snow | mod. snow | light snow | snow shwrs | some clouds | clear | snow shwrs | heavy snow | light snow | light snow | snow shwrs | some clouds | light snow | light snow | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
8 | 19 | 10 | 5 | 10 | 1 | — | — | — | — | 10 | 1 | 1 | — | — | 5 | 5 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -10 | -11 | -12 | -13 | -10 | -9 | -9 | -4 | -3 | -8 | -9 | -9 | -11 | -8 | -9 | -11 |
min °C | -10 | -12 | -12 | -13 | -13 | -12 | -11 | -10 | -6 | -6 | -11 | -10 | -11 | -13 | -10 | -10 | -13 |
-14 | -19 | -21 | -23 | -22 | -18 | -11 | -10 | -11 | -9 | -17 | -16 | -16 | -17 | -14 | -17 | -21 | |
92 | 95 | 95 | 92 | 94 | 89 | 78 | 63 | 51 | 68 | 94 | 86 | 85 | 91 | 70 | 88 | 95 | |
250 | 0 | 0 | 0 | 0 | 0 | 200 | 0 | 550 | 1100 | 0 | 0 | 0 | 0 | 0 | 250 | 0 | |
 | — | — | 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 afternoon. Temperatures will be below freezing (max -4°C on Tue morning, min -13°C on Sun afternoon). Wind will be generally light.
Next 4-6 days weather summary:
A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -3°C on Tue afternoon, min -13°C on Wed night). Wind will be generally light.
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Latest snow reports near Sun Valley (Nagano):
40 km away from Sun Valley (Nagano)
5 minutes ago
Snowing at a moderate rate in Ishiuchi Maruyama. from Ishiuchi Maruyama
33 km away from Sun Valley (Nagano)
9 hours ago
Great snow conditions throughout area. Good news, snow is forecast. from Ikenotaira Onsen Alpenblick
41 km away from Sun Valley (Nagano)
12 hours agoHeavy 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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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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