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Ski Japan - Nagano

Shiga Kogen-Ichinose Diamond Snow Forecast

Lat Long: 36.72° N 138.51° E

Weather Forecast for Shiga Kogen-Ichinose Diamond at 1603m altitude

Issued: 8 am 28 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 22.0mm), heaviest during Tue morning. Very mild (max 18°C on Sun morning, min 11°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 36.0mm), heaviest during Thu morning. Very mild (max 18°C on Wed morning, min 10°C on Thu night). Wind will be generally light.

Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
part cloud
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
mod rain
light rain
heavy rain
rain showers
clear
clear
rain shwrs
light rain
some clouds
rain shwrs
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
light rain
mod. rain
light rain
heavy rain
rain shwrs
clear
clear
km/h
5
NW
5
NNW
0
NNW
0
WNW
5
NNE
5
S
0
WNW
5
ESE
5
SSE
0
S
0
SW
5
SSE
10
SSW
10
SW
15
NNW
10
NNW
10
NNW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
1
4
1
4
5
4
2
3
5
8
3
13
2
max °C
18
17
13
17
16
13
18
17
14
18
17
14
15
17
14
15
17
12
min °C
16
14
11
17
14
12
16
15
13
17
15
13
14
15
10
11
14
11
 chill °C
16
14
11
17
14
12
16
15
13
17
15
13
13
15
8
10
14
11
Humid %
72
75
89
64
74
86
80
78
88
80
79
88
96
86
99
96
62
86
Freeze m
4450
4300
4100
4000
4050
4050
4150
4200
4250
4300
4500
4450
4800
4750
4200
4000
4100
4300
Sea lvl1000m2000m3000m4000m5000m
161514161513161614171615151612131513171612171513171614181614151612131612
Sunrise
4:28
4:28
4:30
4:30
4:30
4:31
Sunset
7:07
7:07
7:07
7:07
7:07
7:07

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Snow Radar

Latest snow reports near Shiga Kogen-Ichinose Diamond:

No recent snow reports

No recent snow reports

Shiga Kogen-Ichinose Diamond Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 4 of June 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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