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Shiga Kogen-Takamagahara Mammoth resort snow
Ski Japan - Nagano

Shiga Kogen-Takamagahara Mammoth Snow Forecast

Lat Long: 36.73° N 138.51° E

Weather Forecast for Takamagahara Mammoth at 2054m altitude

Issued: 2 am 15 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 10.0mm), heaviest on Wed night. Very mild (max 14°C on Wed afternoon, min 6°C on Mon morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 22.0mm), heaviest during Thu morning. Very mild (max 14°C on Fri morning, min 10°C on Thu morning). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
clear
part cloud
rain showers
part cloud
rain showers
rain showers
light rain
heavy rain
rain showers
clear
rain showers
thunderstorm
rain showers
part cloud
rain showers
light rain
rain shwrs
light rain
clear
some clouds
rain shwrs
some clouds
rain shwrs
rain shwrs
light rain
heavy rain
rain shwrs
clear
rain shwrs
t-storm
risk
rain shwrs
some clouds
rain shwrs
light rain
km/h
10
SE
5
NW
5
NNW
5
NNE
0
SSE
5
S
5
SSW
5
SSW
10
SSW
5
SSE
10
W
15
WNW
10
NW
5
NW
5
WSW
5
SSW
5
SSW
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
2
2
2
1
1
2
13
1
1
3
1
2
1
 max °C
8
9
8
12
11
10
13
14
11
10
11
11
14
13
12
14
14
12
 min °C
6
8
8
11
11
10
12
12
10
10
11
10
13
13
12
13
12
11
4
7
7
11
11
10
12
11
9
10
10
8
12
13
12
13
12
9
94
85
86
61
76
76
66
69
82
93
90
78
71
73
77
64
64
79
3250
3400
3550
3750
3750
3900
3950
3900
4150
4050
4000
3950
3900
4050
4200
4450
4450
4600
Sea lvl1000m2000m3000m4000m5000m
79812111013131110111114131214131210108151411161611111411171512171612
Sunrise
4:26
4:26
4:26
4:26
4:26
4:26
Sunset
7:06
7:06
7:06
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-Takamagahara Mammoth:

No recent snow reports

No recent snow reports

Shiga Kogen-Takamagahara Mammoth 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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