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snowy resort
Lat Long: 36.72° N 138.56° E
Ski Japan - Nagano

Shiga Kogen-Nishidateyama Snow Forecast

Weather Forecast for Nishidateyama at 1678m 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 41.0mm), heaviest during Sat night. Warm (max 20°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 40.0mm), heaviest during Tue night. Very mild (max 19°C on Thu morning, min 13°C on Tue night). 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
NNE
5
N
5
NNE
5
NNW
10
N
5
NNW
10
N
20
NNW
10
S
25
SSE
20
SSE
15
SSE
15
SSE
10
SE
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
11
5
10
3
1
1
1
9
26
2
2
1
1
2
max °C
17
18
18
17
20
18
14
16
14
14
13
14
14
19
19
16
min °C
17
18
17
15
17
16
12
14
13
13
13
14
14
16
17
15
 chill °C
17
18
17
15
17
16
11
13
11
11
11
12
12
16
17
15
Humid %
80
79
89
92
78
68
72
70
94
97
89
92
87
74
61
88
Freeze m
4850
4750
4800
4750
4700
4750
4600
4450
4550
4400
4500
4550
4650
4850
4800
4950
Sea lvl1000m2000m3000m4000m5000m
1516161516151213121212131316161417211917211913181415151615212016
Sunrise
4:56
4:58
4:58
4:58
5:00
Sunset
6:44
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-Nishidateyama:

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Shiga Kogen-Nishidateyama 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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