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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 1671m altitude

Issued: 2 am 15 Jul 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 53.0mm), heaviest during Fri afternoon. Warm (max 25°C on Wed afternoon, min 16°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 26.0mm), heaviest during Sun afternoon. Very mild (max 19°C on Sun morning, min 15°C on Mon night). Wind will be generally light.

Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
thunderstorm
rain showers
thunderstorm
thunderstorm
heavy rain
thunderstorm
thunderstorm
mod rain
rain showers
light rain
light rain
light rain
thunderstorm
light rain
light rain
thunderstorm
rain showers
some clouds
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
heavy rain
t-storm
risk
t-storm
risk
mod. rain
rain shwrs
light rain
light rain
light rain
t-storm
risk
light rain
light rain
t-storm
risk
rain shwrs
km/h
5
WSW
5
SW
5
SW
5
NNW
5
NE
5
SE
5
S
5
SSE
10
SSE
5
S
5
S
5
S
5
W
5
NW
5
W
5
NW
10
NNW
5
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
2
3
5
11
7
12
10
2
3
2
1
5
3
4
5
1
max °C
24
25
18
20
19
17
20
19
17
18
18
16
19
19
17
19
19
16
min °C
22
20
17
20
18
16
19
18
16
17
17
16
18
17
16
18
18
15
 chill °C
22
20
17
20
18
16
19
18
16
17
17
16
18
17
16
18
18
15
Humid %
70
56
86
87
91
92
88
92
94
91
89
94
86
93
96
95
93
92
Freeze m
5500
5450
5300
5400
5300
5350
5250
5350
5300
5300
5300
5450
5450
5400
5350
5350
5300
5200
Sea lvl1000m2000m3000m4000m5000m
202017181716181716161616171716171716232318201917201917181816191817191916
Sunrise
4:37
4:39
4:39
4:39
4:41
4:41
Sunset
7:05
7:04
7:04
7:02
7:01
7:01

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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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 July 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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