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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: 8 pm 08 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 42.0mm), heaviest during Sat night. Warm (max 21°C on Mon morning, min 13°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 39.0mm), heaviest during Tue night. Warm (max 21°C on Thu morning, min 14°C on Wed morning). Wind will be generally light.

Sunday
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
rain showers
cloud
mod rain
heavy rain
light rain
light rain
rain showers
part cloud
rain showers
rain showers
heavy rain
t-storm
risk
mod. rain
t-storm
risk
t-storm
risk
t-storm
risk
rain shwrs
cloudy
mod. rain
heavy rain
light rain
light rain
rain shwrs
some clouds
rain shwrs
rain shwrs
km/h
5
SSE
0
NE
5
NNE
0
ENE
5
N
10
N
5
NNE
10
NNW
15
NNW
5
S
20
SE
15
SE
10
SE
10
SSE
10
SE
10
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
13
5
9
4
1
1
1
8
26
2
2
1
1
1
max °C
18
20
19
18
21
20
14
17
14
15
14
15
15
21
21
17
min °C
18
19
18
16
18
17
13
15
14
15
14
15
15
18
18
16
 chill °C
18
19
18
16
18
17
13
15
13
14
12
14
14
18
18
16
Humid %
80
77
89
94
87
75
81
74
94
97
90
93
89
74
57
91
Freeze m
4850
4750
4800
4750
4700
4750
4600
4450
4550
4400
4500
4550
4650
4850
4800
4950
Sea lvl1000m2000m3000m4000m5000m
1819181719181315141414151519201617201916211913171414151615212016
Sunrise
4:56
4:58
4:58
5:00
5:01
Sunset
6:45
6:43
6:42
6:40
6:39

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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