Sun Valley (Nagano) Weather (Next 3 days): The snow forecast for Sun Valley (Nagano) is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Wed afternoon, min -4°C on Mon night). Wind will be generally light.
Sun Valley (Nagano) Weather (Days 4-6): Light rain (total 5.0mm), mostly falling on Thu morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Thu morning). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Bottom Lift: | 0 | |
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | |  | |  |  |  | | | | | | |  | |
some clouds | snow shwrs | snow shwrs | clear | some clouds | some clouds | cloudy | cloudy | light snow | light rain | rain shwrs | some clouds | some clouds | light rain | light snow | cloudy | clear | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 3 | — | — | — | — | — | 1 | — | — | — | |
— | — | — | — | — | — | — | — | — | 1 | 2 | — | — | 2 | — | — | — | — | |
max °C | 3 | 2 | -1 | 1 | 2 | 0 | 4 | 5 | 1 | 3 | 3 | 1 | 5 | 5 | 2 | 4 | 5 | 1 |
min °C | 2 | -1 | -4 | -2 | -1 | -1 | 1 | 1 | 0 | 1 | 3 | 1 | 3 | 2 | 1 | 2 | 2 | 1 |
2 | -5 | -9 | -6 | -1 | -4 | -2 | 1 | 0 | 1 | 1 | 1 | 3 | 0 | 1 | 2 | 0 | 1 | |
43 | 63 | 90 | 43 | 41 | 60 | 75 | 55 | 98 | 94 | 77 | 84 | 75 | 67 | 74 | 63 | 46 | 62 | |
1850 | 1850 | 1150 | 1350 | 1850 | 1400 | 1750 | 2200 | 1650 | 1800 | 2100 | 1850 | 2050 | 2200 | 1900 | 1950 | 2100 | 1800 | |
 | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:39 | — | — |
 | — | 5:59 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:02 | — | — | 6:04 | — |
A dusting of new snow. Freeze-thaw conditions (max 5°C on Wed afternoon, min -4°C on Mon night). Wind will be generally light.
Light rain (total 5.0mm), mostly falling on Thu morning. Mild temperatures (max 5°C on Fri morning, min 1°C on Thu morning). Wind will be generally light.
Latest snow reports near Sun Valley (Nagano):
Cloudless skies over Shiga Kogen-Kumanoyu. Light winds here. Cold. No new snow. Every lift is open. The pistes are in excellent condition. Off piste there is not enough snow for skiing. from Shiga Kogen-Kumanoyu
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 20 Mar 2026 |
| Snow Alerts | Create Alert |
2.2 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.4 | Powder days Fresh snow, limited sun, any wind. |
1.1 | 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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