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Ski Japan - Nagano

Shiga Kogen-Sun Valley Snow Forecast

Weather Forecast for Shiga Kogen Sun Valley at 1475 m
Issued: 2 am  20 Dec 2025 (local time)

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New snow in Shiga Kogen-Sun Valley

3.6cm1.4in
Sun 21st (PM)
The snow forecast for Shiga Kogen-Sun Valley is: Drizzle on Sun afternoon turning to light snow on Sun night. Freeze-thaw conditions (max 7°C on Sat morning, min -7°C on Mon morning). Wind will be generally light.

Shiga Kogen-Sun Valley Weather (Next 3 days): The snow forecast for Shiga Kogen-Sun Valley is: Drizzle on Sun afternoon turning to light snow on Sun night. Freeze-thaw conditions (max 7°C on Sat morning, min -7°C on Mon morning). Wind will be generally light.

Shiga Kogen-Sun Valley Weather (Days 4-6): Moderate rain (total 12.0mm), heaviest on Wed afternoon giving way to a moderate fall of snow, heaviest on Thu night. Freeze-thaw conditions (max 3°C on Wed afternoon, min -7°C on Thu night). Wind will be generally light.


Shiga Kogen-Sun Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
6
20
clear
Bottom Lift: 
3
15
clear
6 Day Forecast
Issued: 2 am 20 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
part cloud
light snow
mod snow
light snow
snow showers
clear
part cloud
clear
snow showers
light snow
mod rain
light snow
light snow
light snow
mod snow
clear
clear
some clouds
some clouds
light snow
mod. snow
light snow
snow shwrs
clear
some clouds
clear
snow shwrs
light snow
mod. rain
light snow
light snow
light snow
mod. snow
 km/h
15
SSW
15
S
10
S
15
S
5
NW
10
N
20
NNW
15
NNW
5
NW
10
S
10
S
15
S
15
SSE
15
S
10
NNW
5
NNW
5
NW
10
WSW
Snow map
2
5
2
1
2
8
1
10
2
max °C
7
7
7
7
5
-2
-6
-7
-2
0
1
0
1
3
3
-1
-2
-2
min °C
6
6
6
7
0
-6
-7
-7
-6
-1
0
-1
1
2
-1
-1
-2
-7
3
3
4
4
-4
-13
-14
-13
-9
-4
-4
-6
-3
-2
-4
-4
-4
-13
83
80
70
64
98
99
91
91
52
44
53
68
90
94
98
98
97
95
2550
2700
2800
2900
2550
1000
500
550
0
1350
1600
1550
1800
2300
2150
1250
1200
1100
Sea lvl1000m2000m3000m4000m5000m
66672-4-7-7-4-10-1131-2-2-666463-3-6-7-70-1-2121-1-2-5
Sunrise
6:52
6:54
6:54
6:54
6:54
6:56
Sunset
4:31
4:32
4:32
4:34
4:34
4:35
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Snow Radar

Submit a report Eyeball Reporter

Latest snow reports near Shiga Kogen-Sun Valley:

  • 23 km away from Shiga Kogen-Sun Valley

    22 hours ago
    Is it snowing?

    Partly cloudy at Madarao Kogen. Just a light breeze today. Feeling cold here today. There is a dusting of fresh snow. Packed snow on piste. The off-piste has an icy crust. from Madarao Kogen

Shiga Kogen-Sun Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:18 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)


Snow History

Week 3 of December has on average:
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.



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