Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -8°C on Fri afternoon, min -15°C on Thu night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): 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 Sat night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -14 |  | ||||
| Bottom Lift: | -13 | |
Latest snow reports near Sun Valley (Nagano):
Snow falling in Ishiuchi Maruyama. from Ishiuchi Maruyama
Snow falling at Shiga Kogen-Higashitateyama. from Shiga Kogen-Higashitateyama
Snow is falling in Togari Onsen. from Togari Onsen
Snowing in Naeba. from Naeba
Great snow conditions throughout area. Snow has started to fall. from Ikenotaira Onsen Alpenblick
Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | | | |  | | | |  | | |  | |
snow shwrs | light snow | heavy snow | light snow | light snow | snow shwrs | some clouds | some clouds | snow shwrs | light snow | mod. snow | heavy snow | mod. snow | light snow | light snow | snow shwrs | light snow | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 12 | 5 | 2 | — | — | — | 1 | 5 | 6 | 17 | 8 | 4 | 5 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -11 | -11 | -13 | -12 | -12 | -14 | -9 | -8 | -9 | -8 | -9 | -11 | -11 | -11 | -12 | -9 | -9 | -8 |
min °C | -12 | -12 | -14 | -13 | -14 | -15 | -11 | -10 | -11 | -9 | -10 | -13 | -11 | -12 | -13 | -11 | -10 | -10 |
-18 | -16 | -21 | -21 | -20 | -20 | -15 | -14 | -17 | -14 | -15 | -18 | -19 | -20 | -20 | -17 | -13 | -10 | |
74 | 68 | 95 | 90 | 81 | 80 | 65 | 66 | 85 | 88 | 91 | 95 | 94 | 90 | 93 | 87 | 82 | 65 | |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 350 | 0 | 250 | 250 | 0 | 0 | 0 | 0 | 0 | 250 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:52 | — | — | 6:52 | — | — |
 | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:02 | — | — | 5:04 | — |
A heavy fall of snow, heaviest during Wed night. Temperatures will be well below freezing (max -8°C on Fri afternoon, min -15°C on Thu night). Wind will be generally light.
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 Sat night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Snow falling in Ishiuchi Maruyama. from Ishiuchi Maruyama
Snow falling at Shiga Kogen-Higashitateyama. from Shiga Kogen-Higashitateyama
Snow is falling in Togari Onsen. from Togari Onsen
Snowing in Naeba. from Naeba
Great snow conditions throughout area. Snow has started to fall. from Ikenotaira Onsen Alpenblick
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 12 cm |
| Last snowfall: | 20 Jan 2026 |
| Snow Alerts | Create Alert |
1.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.6 | 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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