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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 1984m altitude

Issued: 2 pm 26 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 9.0mm), mostly falling on Fri afternoon. Very mild (max 13°C on Sat night, min 9°C on Fri night). Winds decreasing (gales from the WSW on Fri afternoon, calm by Sat night).

Days 4-6 weather summary:

Some drizzle, heaviest during Tue afternoon. Very mild (max 13°C on Wed afternoon, min 10°C on Mon night). Wind will be generally light.

Fri
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
rain showers
part cloud
cloud
part cloud
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain shwrs
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
km/h
65
WSW
50
WSW
40
W
15
W
5
WNW
20
WNW
15
WNW
15
WNW
15
NW
10
NW
15
WNW
15
WNW
10
W
10
W
0
W
5
SSE
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
4
4
1
1
max °C
12
10
11
12
13
11
11
11
11
11
11
11
12
12
12
13
13
min °C
11
9
9
12
11
10
11
10
10
11
10
11
12
12
12
12
12
 chill °C
6
5
5
10
9
8
9
8
8
10
8
9
11
11
12
12
11
Humid %
97
89
74
61
48
55
51
43
53
61
73
69
68
64
63
75
73
Freeze m
4350
4200
4100
4500
4500
4350
4100
4050
3850
3750
3750
3800
3950
4100
4000
4150
4200
Sea lvl1000m2000m3000m4000m5000m
12101012121111111111111112121213131311121412141410141412161513161514
Sunrise
4:16
4:16
4:18
4:18
4:18
Sunset
7:07
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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