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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 below freezing (max -2°C on Wed afternoon, min -10°C on Mon night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max 0°C on Sat morning, min -13°C on Thu night). Winds increasing (calm on Fri morning, strong winds from the W by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -6 |  | ||||
| Bottom Lift: | -6 | |
Latest snow reports near Sun Valley (Nagano):
There is heavy snow falling in Akakura Kanko. from Akakura Kanko
It is snowing heavily in Yamaboku Wild Snow Park. from Yamaboku Wild Snow Park
Snow falling heavily at Yamaboku Wild Snow Park. from Yamaboku Wild Snow Park
Cloudless skies over Kurohime Kogen. No wind today. About freezing. No new snow. Lifts are all open. The pistes have good snow. No snow off-piste. from Kurohime Kogen
Monday 5 | Tuesday 6 | Wednesday 7 | Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  |  |  | | |  | | | | | | | |
light snow | light snow | heavy snow | light snow | light snow | clear | cloudy | clear | mod. snow | light snow | light snow | snow shwrs | clear | clear | clear | clear | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 4 | 12 | 1 | 1 | — | — | — | 6 | 5 | 3 | 1 | — | — | — | — | — | 4 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -3 | -3 | -8 | -8 | -8 | -9 | -3 | -2 | -5 | -8 | -9 | -12 | -5 | -4 | -6 | 0 | 0 | -4 |
min °C | -3 | -6 | -10 | -10 | -10 | -10 | -5 | -5 | -7 | -9 | -11 | -13 | -8 | -7 | -8 | -2 | -2 | -9 |
-8 | -12 | -16 | -17 | -14 | -10 | -9 | -9 | -13 | -15 | -17 | -17 | -8 | -10 | -11 | -9 | -9 | -19 | |
69 | 93 | 94 | 84 | 85 | 63 | 45 | 46 | 72 | 92 | 90 | 91 | 56 | 54 | 46 | 56 | 73 | 86 | |
1050 | 1050 | 0 | 0 | 350 | 0 | 700 | 1200 | 600 | 250 | 200 | 0 | 250 | 850 | 0 | 1200 | 1550 | 450 | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 4:43 | — | — | 4:44 | — | — | 4:45 | — | — | 4:45 | — | — | 4:46 | — | — | 4:47 | — |
A heavy fall of snow, heaviest during Wed night. Temperatures will be below freezing (max -2°C on Wed afternoon, min -10°C on Mon night). Wind will be generally light.
A moderate fall of snow, heaviest on Thu morning. Temperatures will be below freezing (max 0°C on Sat morning, min -13°C on Thu night). Winds increasing (calm on Fri morning, strong winds from the W by Sat night).
Latest snow reports near Sun Valley (Nagano):
There is heavy snow falling in Akakura Kanko. from Akakura Kanko
It is snowing heavily in Yamaboku Wild Snow Park. from Yamaboku Wild Snow Park
Snow falling heavily at Yamaboku Wild Snow Park. from Yamaboku Wild Snow Park
Cloudless skies over Kurohime Kogen. No wind today. About freezing. No new snow. Lifts are all open. The pistes have good snow. No snow off-piste. from Kurohime Kogen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 10 cm |
| Last snowfall: | 4 Jan 2026 |
| Snow Alerts | Create Alert |
2.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.5 | Powder days Fresh snow, limited sun, any wind. |
1.7 | 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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