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Gassan Glacier resort snow
Ski Japan

Gassan Glacier Snow Forecast

38.52° N 140.01° E

Weather Forecast for Gassan Glacier at 1500m altitude

Issued:
2 am 19 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 40.0mm), heaviest during Sun morning. Very mild (max 16°C on Sat morning, min 12°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Some drizzle, heaviest during Wed night. Very mild (max 15°C on Thu morning, min 9°C on Tue afternoon). Wind will be generally light.

Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
mod rain
mod rain
rain showers
rain showers
mod rain
mod rain
rain showers
part cloud
part cloud
clear
clear
cloud
rain showers
clear
part cloud
part cloud
some clouds
some clouds
mod. rain
mod. rain
rain shwrs
rain shwrs
mod. rain
mod. rain
rain shwrs
some clouds
some clouds
clear
clear
cloudy
rain shwrs
clear
some clouds
some clouds
km/h
20
SSE
10
S
5
S
10
SSE
10
SSE
15
SSE
5
SSE
5
NE
10
NE
20
NW
25
WNW
10
NW
5
SSE
5
S
15
W
5
NW
5
ESE
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
6
9
3
2
7
10
3
1
max °C
16
16
15
15
15
14
14
14
14
12
11
10
14
14
13
15
15
13
min °C
14
15
13
14
14
13
14
14
12
12
9
9
13
11
9
13
12
12
 chill °C
13
15
13
14
13
12
14
14
10
10
6
7
13
10
8
13
10
10
Humid %
85
89
78
89
94
84
98
99
96
93
93
24
18
63
44
72
75
46
Freeze m
4450
4600
4600
4300
4600
4900
5000
5000
4950
4900
4900
4650
4400
4350
3600
3850
4200
4150
Sea lvl1000m2000m3000m4000m5000m
131413131313141414111111111110101213151614151514141413121010141311141413
Sunrise
5:24
5:24
5:26
5:26
5:26
5:28
Sunset
5:43
5:40
5:38
5:37
5:36
5:35

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:0cm
Bottom snow depth:0cm
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan 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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