Sign In with AppleBy using Snow-Forecast, you agree to our Terms & Services.
Don't have an account? Join now
Alternatively, you can now use your Outside account to sign in to any brand in the Outside digital ecosystem, including Snow-Forecast, Surf-Forecast, and Mountain-Forecast.
Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: Mostly dry. Freeze-thaw conditions (max 7°C on Sun afternoon, min 0°C on Sat night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Tue night, min -10°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the W by Wed afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | -1 | |
Latest snow reports near Sun Valley (Nagano):
Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | Friday 5 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | | | |  | | |  |  |  | |  |  | |  | |  |  | |
clear | clear | clear | clear | clear | some clouds | clear | clear | cloudy | light snow | light snow | light snow | heavy snow | snow shwrs | snow shwrs | some clouds | light snow | mod. snow | mod. snow | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | — | — | 3 | 3 | 18 | 1 | — | — | 3 | 6 | 7 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 2 | 6 | 7 | 5 | 7 | 7 | 4 | 7 | 6 | 2 | 0 | -6 | -9 | -7 | -5 | -6 | -3 | -3 | -6 |
min °C | 0 | 4 | 6 | 4 | 6 | 4 | 2 | 4 | 3 | 0 | -2 | -9 | -10 | -9 | -5 | -7 | -3 | -5 | -8 |
-3 | 3 | 6 | 2 | 4 | 2 | 2 | 2 | 3 | -3 | -6 | -19 | -20 | -16 | -12 | -11 | -8 | -10 | -11 | |
63 | 31 | 37 | 36 | 34 | 57 | 88 | 60 | 51 | 85 | 97 | 87 | 96 | 80 | 59 | 80 | 92 | 87 | 95 | |
1750 | 2450 | 2650 | 2650 | 2500 | 2400 | 2050 | 2350 | 2350 | 1850 | 1450 | 700 | 150 | 150 | 750 | 250 | 1000 | 1000 | 400 | |
 | — | 6:37 | — | — | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:41 | — | — |
 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:29 | — | — | 4:29 | — |
Mostly dry. Freeze-thaw conditions (max 7°C on Sun afternoon, min 0°C on Sat night). Wind will be generally light.
A heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 2°C on Tue night, min -10°C on Wed night). Winds increasing (calm on Tue night, fresh winds from the W by Wed afternoon).
Latest snow reports near Sun Valley (Nagano):
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 6 cm |
| Last snowfall: | 28 Nov 2025 |
| Snow Alerts | Create Alert |
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.9 | Powder days Fresh snow, limited sun, any wind. |
0.4 | 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.
Snow Report
Webcams
Ski Resort Guide
Snow History
Snow Alerts
Sign up or Login to access
Upload new photo
Nearest