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Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A light covering of new snow, mostly falling on Tue night. Becoming milder with light rain (total 9.0mm) on Wed afternoon. Freeze-thaw conditions (max 4°C on Wed night, min -8°C on Mon afternoon). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Thu morning, min -13°C on Fri night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -4 |  | ||||
| Bottom Lift: | -3 | |
Latest snow reports near Sun Valley (Nagano):
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Continuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
Pistes soften up fast in the strong sun. Mostly sunny with increasing clouds. from Ikenotaira Onsen Alpenblick
Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  | |  | |  |  |  | |  |  | |
light snow | snow shwrs | clear | clear | clear | light snow | light snow | mod. rain | light rain | light snow | cloudy | light snow | heavy snow | mod. snow | snow shwrs | snow shwrs | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
1 | — | — | — | — | 4 | — | — | — | — | — | 2 | 15 | 7 | 5 | — | — | — | |
— | — | — | — | — | — | — | 7 | 2 | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -7 | -3 | 0 | 1 | 1 | 2 | 3 | 4 | 1 | 1 | 1 | -6 | -11 | -13 | -9 | -8 | -7 |
min °C | -7 | -8 | -6 | -2 | -1 | -1 | 1 | 2 | 2 | 1 | 0 | -4 | -10 | -12 | -13 | -11 | -10 | -9 |
-13 | -12 | -6 | -4 | -4 | -5 | -4 | -1 | 0 | 0 | -3 | -7 | -19 | -20 | -19 | -16 | -10 | -9 | |
91 | 91 | 66 | 60 | 62 | 61 | 89 | 95 | 97 | 98 | 94 | 96 | 94 | 94 | 90 | 75 | 69 | 59 | |
550 | 600 | 0 | 1150 | 1450 | 1700 | 2000 | 2150 | 2350 | 1750 | 1650 | 1450 | 650 | 0 | 0 | 0 | 350 | 0 | |
 | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:36 | — |
A light covering of new snow, mostly falling on Tue night. Becoming milder with light rain (total 9.0mm) on Wed afternoon. Freeze-thaw conditions (max 4°C on Wed night, min -8°C on Mon afternoon). Wind will be generally light.
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Thu morning, min -13°C on Fri night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Snow is falling in Nozawa Onsen. from Nozawa Onsen
Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Continuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
Pistes soften up fast in the strong sun. Mostly sunny with increasing clouds. from Ikenotaira Onsen Alpenblick
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 3 cm |
| Last snowfall: | 21 Dec 2025 |
| Snow Alerts | Create Alert |
2.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.9 | 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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