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Shiga Kogen-Sun Valley Weather (Next 3 days): The snow forecast for Shiga Kogen-Sun Valley is: A light covering of new snow, mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Fri night, min -5°C on Wed night). Wind will be generally light.
Shiga Kogen-Sun Valley Weather (Days 4-6): Mild with heavy rain (total 20.0mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sun afternoon, min -6°C on Mon 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:
No clouds over Naeba today. No wind here. Temperatures are around freezing. A dusting of new snow. Only some lifts are open. from Naeba
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  | |  |  | |  | |  | | | | | | |  | |
some clouds | light snow | mod. snow | snow shwrs | snow shwrs | clear | clear | clear | some clouds | some clouds | rain shwrs | some clouds | some clouds | some clouds | mod. snow | light snow | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 6 | 1 | — | — | — | — | — | — | — | — | — | — | 7 | 1 | 4 | 1 | |
— | — | — | — | — | — | — | — | — | — | 1 | — | — | — | 19 | — | — | — | |
max °C | 1 | 1 | -2 | -4 | -4 | 1 | 3 | 5 | 6 | 6 | 6 | 7 | 8 | 9 | 8 | -1 | -3 | -5 |
min °C | -1 | 0 | -5 | -5 | -4 | -2 | 2 | 4 | 5 | 6 | 6 | 6 | 7 | 8 | -1 | -2 | -5 | -6 |
-4 | -3 | -10 | -10 | -8 | -4 | -1 | 1 | 2 | 3 | 3 | 3 | 4 | 5 | -5 | -6 | -10 | -11 | |
78 | 79 | 99 | 91 | 87 | 50 | 39 | 51 | 28 | 90 | 91 | 85 | 82 | 84 | 96 | 99 | 99 | 94 | |
1250 | 1700 | 950 | 800 | 850 | 950 | 2000 | 2450 | 2650 | 2500 | 2500 | 2700 | 3000 | 3000 | 2900 | 1300 | 1000 | 550 | |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — |
A light covering of new snow, mostly falling on Wed night. Freeze-thaw conditions (max 6°C on Fri night, min -5°C on Wed night). Wind will be generally light.
Mild with heavy rain (total 20.0mm), heaviest during Sun night. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 9°C on Sun afternoon, min -6°C on Mon night). Wind will be generally light.
Latest snow reports near Shiga Kogen-Sun Valley:
No clouds over Naeba today. No wind here. Temperatures are around freezing. A dusting of new snow. Only some lifts are open. from Naeba
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: | 3 cm |
| Last snowfall: | 16 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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