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Gassan Glacier resort snow
Ski Japan

Gassan Glacier Snow Forecast

Lat Long: 38.52° N 140.01° E

Weather Forecast for Gassan Glacier at 1500m altitude

Issued: 8 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Light rain (total 8.0mm), mostly falling on Fri night. Very mild (max 15°C on Sat afternoon, min 10°C on Fri night). Winds decreasing (near gales from the WSW on Fri night, calm by Sat night).

Days 5-7 weather summary:

Light rain (total 5.0mm), mostly falling on Thu afternoon. Very mild (max 18°C on Wed morning, min 12°C on Mon night). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
rain showers
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
mod. rain
rain shwrs
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
km/h
40
WSW
25
W
10
WSW
0
NW
15
WNW
15
NW
10
NW
10
NNW
5
NNW
5
WSW
5
W
10
W
10
WSW
0
N
5
E
0
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
7
1
2
max °C
12
14
15
12
14
14
11
15
15
13
17
16
14
18
18
14
min °C
10
10
14
11
12
12
10
13
13
12
15
14
13
16
15
13
 chill °C
6
7
14
10
10
10
9
12
13
12
15
14
12
16
15
12
Humid %
97
89
68
66
81
61
42
61
54
53
65
76
60
64
67
71
Freeze m
4100
4250
4500
4550
4200
4150
3900
3900
3850
3800
3850
3900
4000
4100
4150
4100
Sea lvl1000m2000m3000m4000m5000m
1010131211111011111112121313141311121512131311141413161514171714
Sunrise
4:16
4:16
4:18
4:18
4:18
Sunset
7:07
7:07
7:07
7:07
7:07

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:40cm
Bottom snow depth:
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 4 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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