Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -1°C on Fri morning, min -12°C on Wed night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 7°C on Sun afternoon, min -1°C on Sat night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Bottom Lift: | -1 | |
Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  | | |  | | |  |  | | | | |  | | | | |
clear | snow shwrs | heavy snow | snow shwrs | snow shwrs | snow shwrs | clear | clear | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | 1 | 11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -2 | -2 | -10 | -8 | -7 | -7 | -1 | -1 | -3 | 2 | 3 | 0 | 6 | 7 | 4 | 3 | 1 | 2 |
min °C | -5 | -5 | -12 | -11 | -10 | -10 | -3 | -4 | -4 | 0 | 0 | -1 | 4 | 3 | 2 | 2 | 0 | -1 |
-8 | -12 | -21 | -17 | -14 | -14 | -3 | -4 | -4 | 0 | 0 | -4 | 1 | 0 | -3 | -2 | -2 | -1 | |
64 | 48 | 90 | 84 | 78 | 70 | 32 | 46 | 59 | 32 | 43 | 57 | 29 | 36 | 79 | 76 | 72 | 64 | |
800 | 1250 | 0 | 0 | 450 | 0 | 950 | 1400 | 700 | 1550 | 1950 | 1350 | 2550 | 2600 | 2100 | 1950 | 1800 | 1400 | |
 | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:28 | — | — | 6:26 | — | — | 6:24 | — | — |
 | — | 5:28 | — | — | 5:29 | — | — | 5:30 | — | — | 5:30 | — | — | 5:31 | — | — | 5:32 | — |
A moderate fall of snow, heaviest on Wed night. Temperatures will be below freezing (max -1°C on Fri morning, min -12°C on Wed night). Wind will be generally light.
Mostly dry. Freeze-thaw conditions (max 7°C on Sun afternoon, min -1°C on Sat night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Snowing at Kagura. from Kagura
Snowing at a moderate rate in Shiga Kogen-Yakebitaiyama. from Shiga Kogen-Yakebitaiyama
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 16 Feb 2026 |
| Snow Alerts | Create Alert |
2.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | 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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