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Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: Drizzle on Mon afternoon followed by colder weather and a moderate fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 9°C on Mon morning, min -6°C on Tue night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri afternoon, min -4°C on Sat morning). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 6 |  | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Sun Valley (Nagano):
Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | ||||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | |  |  | | | | | |  | |  | | | | |
clear | clear | rain shwrs | light snow | light snow | light snow | heavy snow | snow shwrs | clear | clear | clear | clear | clear | cloudy | clear | snow shwrs | light snow | snow shwrs | clear | |
km/h | |||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||
— | — | — | 2 | 1 | — | 14 | — | — | — | — | — | — | — | — | 7 | 4 | — | — | |
— | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 7 | 9 | 8 | 2 | -2 | -2 | -4 | -4 | -3 | -2 | 2 | 3 | 1 | 3 | 4 | 1 | -3 | -3 | 2 |
min°C | 5 | 8 | 4 | -2 | -2 | -4 | -6 | -5 | -4 | -3 | 0 | 1 | 0 | 2 | 2 | -3 | -4 | -3 | -1 |
2 | 6 | 1 | -5 | -5 | -7 | -11 | -9 | -7 | -5 | -3 | 1 | 0 | 0 | 2 | -9 | -10 | -7 | -1 | |
51 | 31 | 52 | 99 | 92 | 84 | 96 | 87 | 74 | 72 | 51 | 67 | 73 | 61 | 69 | 87 | 97 | 92 | 36 | |
2500 | 2750 | 2500 | 1450 | 1200 | 1200 | 800 | 750 | 1050 | 650 | 1500 | 2000 | 1550 | 2050 | 2100 | 1650 | 950 | 1050 | 1700 | |
 | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | — | 4:36 | — | — | 4:35 | — | — | 4:34 | — | — | 4:34 | — | — | 4:32 | — | — | 4:32 | — |
Drizzle on Mon afternoon followed by colder weather and a moderate fall of snow, heaviest on Tue night. Freeze-thaw conditions (max 9°C on Mon morning, min -6°C on Tue night). Wind will be generally light.
A moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Fri afternoon, min -4°C on Sat morning). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 10 Nov 2025 |
| Snow Alerts | Create Alert |
0.7 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.4 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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