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Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A light covering of new snow on Wed night turning to drizzle on Fri night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -6°C on Wed night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): Light rain (total 2.0mm) at first, then becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sun morning, min -5°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Sun Valley (Nagano):
Continuous light 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
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Intermittent moderate rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  |  | |  |  |  | | | |
mod. snow | snow shwrs | clear | clear | clear | clear | rain shwrs | clear | some clouds | some clouds | some clouds | light rain | light snow | light snow | light snow | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
8 | 1 | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | |
— | — | — | — | — | — | 1 | — | — | — | — | 2 | — | — | — | — | |
max °C | -3 | -5 | -4 | 1 | 3 | 5 | 6 | 6 | 7 | 7 | 8 | 6 | 1 | -3 | -4 | -3 |
min °C | -6 | -6 | -5 | -2 | 2 | 4 | 5 | 5 | 6 | 6 | 7 | 4 | -3 | -3 | -4 | -5 |
-11 | -11 | -9 | -2 | -1 | 1 | 2 | 2 | 3 | 3 | 5 | 2 | -8 | -7 | -8 | -7 | |
98 | 91 | 85 | 40 | 38 | 50 | 35 | 86 | 84 | 80 | 85 | 95 | 99 | 99 | 98 | 84 | |
700 | 700 | 800 | 850 | 1950 | 2400 | 2600 | 2500 | 2600 | 2800 | 2900 | 2700 | 1350 | 1100 | 1000 | 600 | |
 | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
A light covering of new snow on Wed night turning to drizzle on Fri night. Freeze-thaw conditions (max 7°C on Sat afternoon, min -6°C on Wed night). Wind will be generally light.
Light rain (total 2.0mm) at first, then becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 8°C on Sun morning, min -5°C on Mon night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Continuous light 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
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Intermittent moderate rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 16 Dec 2025 |
| Snow Alerts | Create Alert |
2.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
0.8 | Bluebird days Average snow, mostly sunny, light wind. |
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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