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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: 2 am 13 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 5.0mm), mostly falling on Sat morning. Very mild (max 17°C on Sun afternoon, min 7°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the SE by Mon night).

Days 4-6 weather summary:

Heavy rain (total 20.0mm), heaviest during Thu night. Very mild (max 17°C on Wed morning, min 9°C on Thu night). Wind will be generally light.

Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
clear
clear
rain showers
cloud
cloud
part cloud
part cloud
part cloud
rain showers
part cloud
clear
rain showers
part cloud
cloud
light rain
heavy rain
rain shwrs
rain shwrs
clear
clear
rain shwrs
cloudy
cloudy
some clouds
some clouds
some clouds
rain shwrs
some clouds
clear
rain shwrs
some clouds
cloudy
light rain
heavy rain
km/h
20
WSW
25
W
10
W
5
SSW
10
SE
10
SSE
20
SSE
25
SSE
15
SE
10
N
5
NW
10
W
0
W
10
SE
0
WSW
25
SE
20
SSE
30
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
3
1
1
1
1
2
16
 max °C
12
13
12
16
17
13
13
10
9
14
14
12
17
16
14
15
14
11
 min °C
11
11
9
14
14
12
11
8
7
12
12
10
15
14
13
14
11
9
9
9
8
14
13
11
8
4
3
11
12
10
15
13
12
12
8
6
76
65
52
51
51
73
44
72
90
73
71
57
59
63
69
36
59
99
3000
3150
3450
3650
3900
3700
3700
3250
3200
3350
3600
3800
3750
3650
3850
4000
4000
4050
Sea lvl1000m2000m3000m4000m5000m
89911121197791011121212121191212111516131298131311161514151310
Sunrise
4:15
4:15
4:15
4:15
4:15
4:15
Sunset
7:04
7:05
7:05
7:05
7:06
7:06

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 2 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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