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Shiga Kogen-Sun Valley Weather (Next 3 days): The snow forecast for Shiga Kogen-Sun Valley is: Drizzle on Sun afternoon followed by colder weather and a moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min -7°C on Mon morning). Wind will be generally light.
Shiga Kogen-Sun Valley Weather (Days 4-6): Light rain (total 8.0mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed afternoon, min -11°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 Shiga Kogen-Sun Valley:
Continuous light 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
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
Sun 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | | |  |  |  |  |  | |  |  |  | | |  | | | |
light snow | mod. snow | light snow | snow shwrs | clear | clear | some clouds | snow shwrs | light snow | mod. rain | light snow | cloudy | cloudy | light snow | mod. snow | mod. snow | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
3 | 6 | 1 | — | — | — | — | 1 | 2 | — | — | — | — | 2 | 7 | 6 | 6 | |
1 | — | — | — | — | — | — | — | — | 8 | — | — | — | — | — | — | — | |
max °C | 5 | -1 | -6 | -6 | -3 | 0 | 0 | 0 | 2 | 3 | 3 | 0 | 1 | 0 | -7 | -9 | -9 |
min °C | 1 | -6 | -7 | -7 | -6 | -1 | 0 | -1 | 2 | 3 | 0 | 0 | 1 | -4 | -7 | -10 | -11 |
-3 | -13 | -14 | -12 | -6 | -4 | -3 | -6 | -2 | 0 | -2 | -2 | 1 | -7 | -13 | -16 | -11 | |
99 | 99 | 92 | 88 | 57 | 55 | 58 | 66 | 87 | 94 | 99 | 98 | 94 | 97 | 90 | 92 | 90 | |
2600 | 1200 | 450 | 550 | 0 | 1250 | 1500 | 1600 | 2050 | 2300 | 1950 | 1400 | 1600 | 1400 | 500 | 150 | 0 | |
 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — |
Drizzle on Sun afternoon followed by colder weather and a moderate fall of snow, heaviest on Sun afternoon. Freeze-thaw conditions (max 5°C on Sun afternoon, min -7°C on Mon morning). Wind will be generally light.
Light rain (total 8.0mm) on Wed afternoon. Becoming colder with heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 3°C on Wed afternoon, min -11°C on Fri night). Wind will be generally light.
Latest snow reports near Shiga Kogen-Sun Valley:
Continuous light 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
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 |
2.1 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | 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 Shiga Kogen-Sun Valley at the specific elevation of 1475 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Shiga Kogen-Sun Valley. 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.
Resort name is also written as Shiga Kogen Sun Valley.
Also stayed at Villa Alpen at Sun Valley (Shiga Kogen Sun Valley) in 2010 and going back in 2011. I can add a few things:- Distance to ticket office :- 20m Distance to lift 30m Excellent food at Villa Alpen. Captain and his family will ensure you have a great stay. Onsen in lodge great for relaxing in. You can either ski your way over to the other resorts or, if you're in a rush, you can take the free bus up to the other ski-areas.
Chris Ivin from Australia writes:
Also stayed at Villa Alpen at Sun Valley (Shiga Kogen Sun Valley) in 2010 and going back in 2011. I can add a few things:-
Distance to ticket office :- 20m
Distance to lift 30m
Excellent food at Villa Alpen. Captain and his family will ensure you have a great stay.
Onsen in lodge great for relaxing in.
You can either ski your way over to the other resorts or, if you're in a rush, you can take the free bus up to the other ski-areas.
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