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snowy resort
Ski Japan - Nagano

Shiga Kogen-Tannenomori Okojo Snow Forecast

36.73° N 138.51° E

Weather Forecast for Shiga Kogen-Tannenomori Okojo at 1700m altitude

Issued:
2 pm 17 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 14.0mm), heaviest on Sat night. Very mild (max 17°C on Fri morning, min 10°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 21.0mm), heaviest during Mon afternoon. Very mild (max 17°C on Tue morning, min 9°C on Mon night). Wind will be generally light.

Thu
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
part cloud
clear
clear
part cloud
part cloud
rain showers
light rain
light rain
light rain
light rain
mod rain
mod rain
rain showers
clear
clear
clear
rain shwrs
some clouds
clear
clear
some clouds
some clouds
rain shwrs
light rain
light rain
light rain
light rain
mod. rain
mod. rain
rain shwrs
clear
clear
clear
km/h
0
SE
10
SSE
5
SSE
5
S
15
SSE
10
SSE
5
SE
10
SE
5
ESE
5
ENE
10
NNE
25
NNW
25
NNW
10
N
5
NNW
5
NNW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
2
5
5
2
3
7
7
1
max °C
14
11
17
17
12
16
16
13
14
15
14
14
13
10
17
16
11
min °C
12
10
13
11
12
15
13
12
13
14
13
13
12
9
14
12
10
 chill °C
11
9
13
10
11
15
12
11
13
14
12
11
10
8
14
12
10
Humid %
91
86
70
61
87
81
86
88
92
92
92
97
88
81
58
70
75
Freeze m
4200
4400
4550
4600
4650
4700
4800
4750
4800
4700
5200
5050
5100
5200
5050
4700
4600
Sea lvl1000m2000m3000m4000m5000m
13121415131515141415141413111414131311151412161513141514141310161411
Sunrise
5:28
5:30
5:31
5:31
5:33
Sunset
5:51
5:50
5:47
5:46
5:45
5:44

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

Popular Shiga Kogen-Tannenomori Okojo Pages

Snow Radar

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
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September 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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