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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 Sun night. Becoming mild with drizzle, on Wed afternoon. Freeze-thaw conditions (max 3°C on Wed afternoon, min -8°C on Mon morning). 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 4°C on Wed night, min -13°C on Fri night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Bottom Lift: | -1 |  |
Latest snow reports near Sun Valley (Nagano):
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort 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
Intermittent moderate 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 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  | | | | | | | |  |  |  | | |
mod. snow | light snow | snow shwrs | clear | some clouds | some clouds | light snow | light snow | light snow | light snow | light snow | some clouds | snow shwrs | heavy snow | mod. snow | snow shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
6 | 1 | — | — | — | — | 2 | — | 1 | 1 | — | — | 2 | 13 | 8 | 4 | |
— | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | |
max °C | -2 | -7 | -7 | -4 | -1 | 0 | 1 | 1 | 3 | 4 | 0 | 0 | -1 | -9 | -10 | -11 |
min °C | -7 | -8 | -8 | -7 | -3 | -1 | -1 | 1 | 2 | 1 | 0 | -2 | -7 | -10 | -11 | -13 |
-14 | -15 | -13 | -10 | -6 | -4 | -5 | -4 | -2 | -1 | -2 | -6 | -12 | -18 | -18 | -18 | |
97 | 87 | 86 | 60 | 54 | 57 | 52 | 87 | 95 | 97 | 94 | 88 | 87 | 95 | 93 | 85 | |
1150 | 450 | 550 | 0 | 1150 | 1400 | 1800 | 1950 | 2200 | 2250 | 1600 | 1500 | 1100 | 300 | 0 | 0 | |
 | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — |
A moderate fall of snow, heaviest on Sun night. Becoming mild with drizzle, on Wed afternoon. Freeze-thaw conditions (max 3°C on Wed afternoon, min -8°C on Mon morning). Wind will be generally light.
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 4°C on Wed night, min -13°C on Fri night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort 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
Intermittent moderate 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: | — |
| Last snowfall: | 18 Dec 2025 |
| Snow Alerts | Create Alert |
0.8 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.8 | Powder days Fresh snow, limited sun, any wind. |
0.7 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Sun Valley (Nagano) at the specific elevation of 1600 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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