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snowy resort
Ski Japan - Nagano

Shiga Kogen-Nishidateyama Snow Forecast

36.72° N 138.56° E
1678m altitude
Issued:
2 pm 21 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 36.0mm), heaviest during Fri afternoon. Warm (max 21°C on Mon morning, min 16°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 31.0mm), heaviest during Wed night. Warm (max 22°C on Wed morning, min 17°C on Wed night). Wind will be generally light.

Fri
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
light rain
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
km/h
5
WNW
5
NW
5
NW
5
NNW
5
S
5
WSW
5
S
5
SSW
5
NW
5
N
5
SW
5
NNW
0
SE
10
S
10
SSW
10
S
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
6
3
3
7
4
5
6
1
1
4
1
3
4
3
1
7
7
max °C
18
17
18
17
17
17
17
17
21
20
18
20
21
19
22
21
19
min °C
17
16
17
17
17
17
17
16
18
19
18
19
19
18
20
19
17
 chill °C
17
16
17
17
17
17
17
16
18
19
18
19
19
18
20
19
17
Humid %
82
84
84
90
84
85
83
88
74
68
81
74
69
78
67
67
82
Freeze m
4800
4800
4750
4750
4750
4850
4750
4850
5100
5050
5100
4950
4900
5000
5350
5150
5200
Sea lvl1000m2000m3000m4000m5000m
16151615151515151718161818171918162017201917191917232118232218242218
Sunrise
5:07
5:07
5:09
5:09
5:11
Sunset
6:30
6:28
6:27
6:25
6:23
6:22

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 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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