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snowy resort
Ski Japan - Nagano

Shiga Kogen-Tannenomori Okojo Snow Forecast

Lat Long: 36.73° N 138.51° E

Weather Forecast for Tannenomori Okojo at 1700m altitude

Issued: 2 am 19 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 48.0mm), heaviest during Sat night. Very mild (max 19°C on Fri morning, min 10°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 10.0mm), heaviest on Mon morning. Very mild (max 16°C on Wed morning, min 5°C on Tue night). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
rain showers
rain showers
light rain
mod rain
heavy rain
thunderstorm
light rain
light rain
light rain
rain showers
light rain
light rain
rain showers
clear
part cloud
part cloud
cloud
some clouds
rain shwrs
rain shwrs
light rain
mod. rain
heavy rain
t-storm
risk
light rain
light rain
light rain
rain shwrs
light rain
light rain
rain shwrs
clear
some clouds
some clouds
cloudy
km/h
5
WNW
0
N
5
S
10
S
10
S
10
S
5
WSW
5
NNW
10
SSW
5
WSW
15
WNW
15
NW
20
NNW
15
NNW
5
N
5
W
5
NW
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
3
1
6
24
5
4
3
1
2
3
2
2
max °C
19
17
13
16
14
13
14
13
12
12
14
10
9
10
8
16
16
9
min °C
16
15
12
14
12
12
13
13
10
12
12
8
8
9
5
14
11
8
 chill °C
16
15
12
14
11
11
13
13
9
12
10
5
5
7
5
14
11
6
Humid %
66
74
90
83
84
95
99
96
98
97
89
84
89
80
76
45
47
83
Freeze m
4100
4200
4250
4300
4500
4650
4400
4300
4350
4250
4100
3950
3650
3500
3800
4200
4100
4350
Sea lvl1000m2000m3000m4000m5000m
16161415131314131212131089813141018161315131314131112139910715149
Sunrise
4:26
4:26
4:26
4:26
4:26
4:26
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

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Shiga Kogen-Tannenomori Okojo 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 3 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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