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snowy resort
Ski Japan - Nagano

Shiga Kogen-Nishidateyama Snow Forecast

36.72° N 138.56° E
1678m altitude
Issued:
2 am 18 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 39.0mm), heaviest during Wed afternoon. Warm (max 20°C on Tue morning, min 16°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 33.0mm), heaviest during Fri afternoon. Very mild (max 18°C on Fri morning, min 16°C on Fri night). Wind will be generally light.

Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
rain showers
part cloud
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
light rain
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
some clouds
rain shwrs
some clouds
rain shwrs
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
light rain
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
km/h
5
S
5
SE
5
SSE
0
WSW
5
ESE
5
S
5
N
5
NNE
5
SSW
5
NNW
5
NNW
5
SSW
0
NNW
5
NNE
5
SW
5
WNW
5
N
5
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
9
2
6
9
9
5
7
1
1
5
2
3
5
4
max °C
20
19
17
19
19
17
18
18
17
18
18
17
17
18
17
18
18
17
min °C
17
18
16
18
18
17
18
18
16
17
17
16
17
17
16
17
17
17
 chill °C
17
18
16
18
18
17
18
18
16
17
17
16
17
17
16
17
17
17
Humid %
79
78
90
83
81
83
85
91
90
82
84
79
79
80
87
84
88
83
Freeze m
4950
4950
5050
4900
4900
4950
4800
4900
4900
4800
4850
4800
4750
4850
4800
4850
4900
4850
Sea lvl1000m2000m3000m4000m5000m
161715171716161615161615151615161615222017222017202017201916201917211917
Sunrise
5:03
5:05
5:05
5:07
5:07
5:07
Sunset
6:34
6:31
6:30
6:30
6:28
6:27

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:

No recent snow reports

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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 3 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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