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Ski Japan - Nagano

Shiga Kogen-Sun Valley Snow Forecast

Weather Forecast for Shiga Kogen Sun Valley at 1475 m
Issued: 8 am  14 Sep 2025 (local time)

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The snow forecast for Shiga Kogen-Sun Valley is: Heavy rain (total 22.0mm), heaviest during Mon morning. Warm (max 21°C on Tue morning, min 17°C on Sun morning). Wind will be generally light.

Shiga Kogen-Sun Valley Weather (Next 3 days): The snow forecast for Shiga Kogen-Sun Valley is: Heavy rain (total 22.0mm), heaviest during Mon morning. Warm (max 21°C on Tue morning, min 17°C on Sun morning). Wind will be generally light.

Shiga Kogen-Sun Valley Weather (Days 4-6): Heavy rain (total 38.0mm), heaviest during Thu morning. Warm (max 22°C on Wed morning, min 12°C on Thu night). Wind will be generally light.


Shiga Kogen-Sun Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
19
10
thunderstorm
Bottom Lift: 
21
10
thunderstorm
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6 Day Forecast
Issued: 8 am 14 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
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night
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night
AM
PM
night
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night
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night
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night
rain showers
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
rain showers
thunderstorm
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rain showers
thunderstorm
thunderstorm
thunderstorm
mod rain
light rain
light rain
light rain
light rain
heavy rain
mod rain
mod rain
rain shwrs
some clouds
risk thun- der
risk thun- der
risk thun- der
some clouds
rain shwrs
risk thun- der
rain shwrs
rain shwrs
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risk thun- der
risk thun- der
mod. rain
light rain
light rain
light rain
light rain
heavy rain
mod. rain
mod. rain
 km/h
5
W
5
WNW
5
S
5
WSW
5
N
0
WNW
0
SW
0
N
5
S
5
W
5
NW
5
SW
5
WNW
10
NNW
5
N
5
SSE
5
W
5
S
5
ENE
5
SSW
5
WSW
Snow map
 cm 
 mm 
3
2
5
3
1
5
3
1
4
3
11
9
1
2
2
5
13
8
6
max°C
20
20
19
19
19
19
21
21
19
22
22
18
17
14
13
13
14
13
12
12
12
min°C
17
19
18
18
19
18
19
19
17
19
19
17
14
13
12
13
13
12
12
12
12
chill°C 
17
19
18
18
19
18
19
19
17
19
19
17
13
12
12
13
13
12
12
12
12
Humid% 
95
86
94
97
94
94
80
76
86
78
68
87
90
99
97
97
87
91
99
98
96
Freezing level (m
5000
5150
5050
4950
5000
4950
5050
4850
4950
4850
4850
4750
4600
4350
4300
4100
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4050
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topliftbotliftSea lvl1000m2000m3000m4000m5000m
181918181818202018202018161312121412121112191917191917222017222017161413141412121212
Sunrise
5:26
5:26
5:28
5:28
5:30
5:30
5:31
Sunset
5:55
5:53
5:52
5:51
5:50
5:47
5:46
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Snow Radar

Latest snow reports near Shiga Kogen-Sun Valley:

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No recent snow reports

Shiga Kogen-Sun Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:28 Apr 2025
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 2 of September has on average:
0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.



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