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Ski Japan - Nagano

Shiga Kogen-Tannenomori Okojo Snow Forecast

Lat Long: 36.73° N 138.51° E

Weather Forecast for Tannenomori Okojo at 1750m altitude

Issued: 8 am 29 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 23.0mm), heaviest during Tue afternoon. Very mild (max 16°C on Mon afternoon, min 13°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 36.0mm), heaviest during Sat night. Very mild (max 15°C on Fri afternoon, min 12°C on Thu afternoon). Wind will be generally light.

Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
thunderstorm
rain showers
light rain
mod rain
heavy rain
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
light rain
light rain
light rain
light rain
light rain
light rain
t-storm
risk
rain shwrs
light rain
mod. rain
heavy rain
km/h
5
WNW
5
NNE
0
WSW
0
NW
5
N
0
SSE
0
NE
5
N
5
SE
10
SE
5
S
5
SSW
0
W
0
SSW
5
SSW
5
SSW
5
S
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
2
1
5
1
1
4
5
2
2
3
2
4
1
1
8
13
max °C
15
16
14
15
15
13
16
15
14
13
13
13
14
15
13
14
13
13
min °C
15
14
13
15
14
13
15
15
13
13
12
12
13
14
13
14
12
12
 chill °C
15
14
13
15
14
13
15
15
13
12
12
12
13
14
13
14
11
11
Humid %
76
71
85
71
76
78
63
77
82
90
93
94
93
89
91
84
91
95
Freeze m
4050
4000
4000
4100
4150
4200
4350
4300
4150
4250
4350
4200
4200
4400
4250
4500
4400
4600
Sea lvl1000m2000m3000m4000m5000m
151513151513161513131212141413141313161512161512171513131212141512151312
Sunrise
4:28
4:30
4:30
4:30
4:31
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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Latest snow reports near Shiga Kogen-Tannenomori Okojo:

No recent snow reports

No recent snow reports

Shiga Kogen-Tannenomori Okojo 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 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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