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Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -1°C on Tue morning, min -11°C on Mon morning). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Wed night).
Sun Valley (Nagano) Weather (Days 4-6): A moderate fall of snow, heaviest on Fri morning. Temperatures will be below freezing (max 0°C on Sat morning, min -8°C on Fri night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -7 |  | ||||
| Bottom Lift: | -6 | |
Latest snow reports near Sun Valley (Nagano):
It is snowing steadily in Gala Yuzawa. from Gala Yuzawa
Clear skies at Shiga Kogen-Nishidateyama. No wind today. Cold. There is knee-deep fresh snow. Lifts are all open. Excellent snow conditions on piste. It's an off-piste powder day! from Shiga Kogen-Nishidateyama
Powder day!. It's snowing, the week ahead looks good. from Ikenotaira Onsen Alpenblick
It is snowing steadily at Charmant Hiuchi Snow Resort. from Charmant Hiuchi Snow Resort
It is snowing steadily at Lotte Arai Resort. from Lotte Arai Resort
Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  | |  | | | | | | | |
snow shwrs | clear | clear | some clouds | light snow | snow shwrs | mod. snow | snow shwrs | some clouds | cloudy | cloudy | light snow | light snow | light snow | snow shwrs | clear | clear | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | 1 | 3 | 6 | 2 | — | — | — | 2 | 4 | 2 | — | — | — | 1 | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -9 | -7 | -5 | -1 | -1 | -5 | -8 | -8 | -8 | -1 | -1 | -2 | -3 | -4 | -6 | 0 | 0 | -2 |
min °C | -11 | -8 | -8 | -3 | -4 | -10 | -9 | -11 | -10 | -4 | -2 | -3 | -3 | -6 | -8 | -2 | -2 | -6 |
-16 | -12 | -13 | -10 | -13 | -16 | -15 | -15 | -14 | -8 | -7 | -9 | -7 | -9 | -8 | -5 | -2 | -9 | |
80 | 73 | 67 | 80 | 78 | 92 | 91 | 82 | 70 | 56 | 61 | 95 | 96 | 90 | 79 | 50 | 61 | 95 | |
0 | 450 | 0 | 1100 | 1400 | 500 | 250 | 300 | 0 | 850 | 1450 | 950 | 1050 | 900 | 0 | 1150 | 1500 | 900 | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:49 | — | — | 4:50 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — |
A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max -1°C on Tue morning, min -11°C on Mon morning). Winds decreasing (fresh winds from the WSW on Tue afternoon, calm by Wed night).
A moderate fall of snow, heaviest on Fri morning. Temperatures will be below freezing (max 0°C on Sat morning, min -8°C on Fri night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
It is snowing steadily in Gala Yuzawa. from Gala Yuzawa
Clear skies at Shiga Kogen-Nishidateyama. No wind today. Cold. There is knee-deep fresh snow. Lifts are all open. Excellent snow conditions on piste. It's an off-piste powder day! from Shiga Kogen-Nishidateyama
Powder day!. It's snowing, the week ahead looks good. from Ikenotaira Onsen Alpenblick
It is snowing steadily at Charmant Hiuchi Snow Resort. from Charmant Hiuchi Snow Resort
It is snowing steadily at Lotte Arai Resort. from Lotte Arai Resort
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 43 cm |
| Last snowfall: | 11 Jan 2026 |
| Snow Alerts | Create Alert |
2.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.0 | Powder days Fresh snow, limited sun, any wind. |
1.8 | 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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