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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 0°C on Thu morning, min -9°C on Tue night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon morning, min -6°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):
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  |  | |  | | |  | | | | |  | |
snow shwrs | mod. snow | snow shwrs | some clouds | some clouds | cloudy | snow shwrs | light snow | snow shwrs | snow shwrs | clear | snow shwrs | snow shwrs | some clouds | clear | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
3 | 6 | 1 | — | — | — | 3 | 2 | 1 | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -5 | -7 | -7 | -6 | 0 | 0 | -1 | -3 | -3 | -5 | 0 | 0 | -3 | 0 | 0 | -1 |
min °C | -9 | -9 | -9 | -9 | -3 | 0 | -4 | -3 | -5 | -6 | -2 | -3 | -4 | -3 | -2 | -2 |
-15 | -14 | -13 | -13 | -7 | -5 | -8 | -7 | -8 | -6 | -5 | -6 | -7 | -3 | -5 | -5 | |
88 | 90 | 75 | 74 | 52 | 76 | 95 | 92 | 82 | 80 | 51 | 59 | 95 | 69 | 71 | 74 | |
500 | 250 | 550 | 0 | 1000 | 1500 | 1250 | 1000 | 1050 | 450 | 1150 | 1500 | 900 | 1050 | 1450 | 1000 | |
 | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — | — | 4:54 | — |
A moderate fall of snow, heaviest on Wed morning. Temperatures will be below freezing (max 0°C on Thu morning, min -9°C on Tue night). Wind will be generally light.
A dusting of new snow. Freeze-thaw conditions (max 3°C on Mon morning, min -6°C on Fri night). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 44 cm |
| Last snowfall: | 12 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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