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Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A dusting of new snow. Temperatures will be below freezing (max 0°C on Wed morning, min -8°C on Mon night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 7°C on Sat night, min -2°C on Thu afternoon). 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):
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Snow is falling in Shiga Kogen-Ichinose Family. from Shiga Kogen-Ichinose Family
Mon 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | |  | | | | | | |  | | | |
light snow | snow shwrs | clear | some clouds | clear | some clouds | light snow | light snow | clear | clear | clear | clear | clear | clear | cloudy | some clouds | clear | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
1 | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | -6 | -6 | -2 | -1 | -3 | 0 | -1 | -3 | -3 | -1 | 1 | 3 | 5 | 6 | 6 | 6 | 7 |
min °C | -6 | -8 | -4 | -2 | -4 | -2 | -2 | -5 | -4 | -2 | -1 | 3 | 4 | 5 | 6 | 6 | 6 |
-11 | -11 | -4 | -2 | -6 | -5 | -4 | -9 | -7 | -2 | -4 | 0 | 2 | 2 | 3 | 4 | 4 | |
89 | 84 | 51 | 62 | 82 | 74 | 90 | 97 | 82 | 82 | 66 | 34 | 47 | 23 | 34 | 74 | 74 | |
700 | 0 | 900 | 1350 | 800 | 1250 | 1400 | 850 | 850 | 1200 | 1250 | 2200 | 2550 | 2900 | 2550 | 2600 | 2800 | |
 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — |
A dusting of new snow. Temperatures will be below freezing (max 0°C on Wed morning, min -8°C on Mon night). Wind will be generally light.
Mostly dry. Freeze-thaw conditions (max 7°C on Sat night, min -2°C on Thu afternoon). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Snow is falling in Shiga Kogen-Ichinose Family. from Shiga Kogen-Ichinose Family
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 17 cm |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
2.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | Powder days Fresh snow, limited sun, any wind. |
0.8 | 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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