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snowy resort
Lat Long: 36.72° N 138.48° E
Ski Japan - Nagano

Shiga Kogen-Sun Valley Snow Forecast

Weather Forecast for Shiga Kogen Sun Valley at 1475m altitude

Issued: 2 am 09 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 29.0mm), heaviest during Tue night. Warm (max 20°C on Sun morning, min 12°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 36.0mm), heaviest during Fri night. Warm (max 21°C on Fri afternoon, min 15°C on Wed morning). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
part cloud
cloud
light rain
heavy rain
rain showers
rain showers
rain showers
light rain
light rain
rain showers
thunderstorm
thunderstorm
thunderstorm
t-storm
risk
t-storm
risk
t-storm
risk
some clouds
clear
some clouds
cloudy
light rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
rain shwrs
t-storm
risk
t-storm
risk
t-storm
risk
km/h
0
NNE
5
NNE
5
NE
5
NNW
10
N
5
N
10
NNW
10
NNW
5
SSE
15
SSE
10
SE
10
SE
10
SE
5
SE
5
SSE
5
SSE
5
SE
5
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
9
3
3
11
1
1
2
2
1
3
1
10
15
max °C
20
19
18
20
20
15
16
14
15
16
17
16
17
19
17
20
21
18
min °C
19
19
16
18
17
12
15
14
13
15
16
15
17
18
17
19
19
17
 chill °C
19
19
16
18
17
12
15
14
12
14
16
15
17
18
17
19
19
17
Humid %
76
88
93
87
67
67
70
92
92
87
80
87
79
75
91
78
79
93
Freeze m
4750
4800
4750
4750
4750
4700
4550
4350
4650
4750
4650
4700
4550
4700
4750
4850
4800
4900
Sea lvl1000m2000m3000m4000m5000m
201916191913151414151715161816202018211916211912161413161715171916212017
Sunrise
4:56
4:58
4:58
5:00
5:01
5:01
Sunset
6:45
6:43
6:42
6:40
6:39
6:38

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Shiga Kogen-Sun Valley:

No recent snow reports

No recent snow reports

Shiga Kogen-Sun Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
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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 August 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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