Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: Light rain (total 2.0mm), mostly falling on Tue night. Mild temperatures (max 8°C on Sun afternoon, min 1°C on Mon morning). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): Moderate rain (total 15.0mm), heaviest on Sat morning. Very mild (max 10°C on Fri morning, min 2°C on Wed night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 7 |  | ||||
| Bottom Lift: | 8 | |
Sun 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  | | | |  |  |  |  |  | | |  | | |  | |
clear | some clouds | cloudy | clear | some clouds | cloudy | some clouds | light snow | light snow | light rain | rain shwrs | some clouds | some clouds | clear | clear | some clouds | light rain | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | 1 | 1 | 2 | 1 | — | — | — | — | — | 4 | |
max °C | 8 | 4 | 1 | 4 | 3 | 6 | 6 | 4 | 3 | 4 | 2 | 7 | 8 | 5 | 10 | 10 | 6 |
min °C | 3 | 2 | 1 | 3 | 2 | 4 | 3 | 1 | 1 | 3 | 2 | 4 | 6 | 4 | 7 | 7 | 5 |
0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | -1 | 3 | 5 | 3 | 7 | 5 | 2 | |
39 | 82 | 97 | 62 | 56 | 40 | 49 | 91 | 99 | 94 | 92 | 83 | 73 | 87 | 64 | 54 | 93 | |
2650 | 2350 | 1750 | 2250 | 2050 | 2400 | 2700 | 2400 | 1950 | 2400 | 2250 | 2950 | 3050 | 2900 | 2950 | 3000 | 3050 | |
 | — | — | 6:24 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:20 | — | — |
 | 5:31 | — | — | 5:32 | — | — | 5:34 | — | — | 5:35 | — | — | 5:36 | — | — | 5:37 | — |
Light rain (total 2.0mm), mostly falling on Tue night. Mild temperatures (max 8°C on Sun afternoon, min 1°C on Mon morning). Wind will be generally light.
Moderate rain (total 15.0mm), heaviest on Sat morning. Very mild (max 10°C on Fri morning, min 2°C on Wed night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Fantastic skiing on piste. Glorious sunny weather, suntan lotion a must. from Ikenotaira Onsen Alpenblick
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 19 Feb 2026 |
| Snow Alerts | Create Alert |
2.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
1.0 | 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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