Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 1°C on Fri night, min -11°C on Sat night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A light covering of new snow, mostly falling on Mon night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -9°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 0 | |
Saturday 7 | Sunday 8 | Monday 9 | Tuesday 10 | Wednesday 11 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | | | | |  |  | | | |  | |  | |  | |
light snow | light snow | light snow | light snow | light snow | light snow | snow shwrs | some clouds | light snow | light snow | light snow | snow shwrs | snow shwrs | cloudy | cloudy | some clouds | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
5 | 2 | 1 | 3 | 2 | 1 | — | — | — | 4 | 2 | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 1 | -3 | -5 | -8 | -7 | -6 | -8 | -4 | -4 | -7 | -8 | -7 | -8 | -3 | -2 | -4 |
min °C | -3 | -4 | -6 | -11 | -9 | -8 | -10 | -7 | -6 | -9 | -9 | -9 | -9 | -6 | -4 | -5 |
-5 | -9 | -11 | -18 | -15 | -14 | -14 | -10 | -6 | -15 | -16 | -15 | -14 | -8 | -7 | -5 | |
89 | 91 | 82 | 92 | 85 | 78 | 90 | 68 | 72 | 88 | 88 | 79 | 72 | 58 | 61 | 82 | |
1650 | 1050 | 800 | 200 | 200 | 650 | 0 | 550 | 950 | 250 | 300 | 500 | 0 | 700 | 1200 | 750 | |
 | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:05 | — | — | 6:03 | — | — |
 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — |
A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 1°C on Fri night, min -11°C on Sat night). Wind will be generally light.
A light covering of new snow, mostly falling on Mon night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -9°C on Mon night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Snowing in Naeba. from Naeba
Great snow conditions throughout area. Clear blue skies, most lifts are open. from Ikenotaira Onsen Alpenblick
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 29 cm |
| Last snowfall: | 4 Mar 2026 |
| Snow Alerts | Create Alert |
1.9 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
0.7 | 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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