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Gassan Glacier resort snow
Lat Long: 38.52° N 140.01° E
Ski Japan

Gassan Glacier Snow Forecast

Weather Forecast for Gassan Glacier at 1984m altitude

Issued: 2 am 12 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 10.0mm), heaviest on Tue morning. Mild temperatures (max 8°C on Thu night, min 5°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Mostly dry. Very mild (max 14°C on Sun night, min 8°C on Fri morning). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
Sunday
17
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
light rain
rain showers
rain showers
part cloud
light rain
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
light rain
rain shwrs
rain shwrs
some clouds
light rain
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
km/h
10
SW
5
S
10
WSW
5
WNW
10
NW
5
WSW
10
NNW
5
NNW
10
NW
10
NW
5
W
10
W
5
WSW
5
SSE
5
SSE
10
SE
10
SE
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
2
2
1
1
1
2
 max °C
7
6
6
7
7
6
6
6
8
10
12
13
13
13
13
13
13
14
 min °C
6
6
6
6
6
5
5
6
7
8
11
13
12
13
12
12
13
13
6
5
5
5
5
4
3
5
6
6
11
13
12
13
12
11
12
12
69
80
72
62
57
67
72
70
45
38
35
6
12
35
32
40
43
19
2900
2850
2950
2900
2900
2750
2700
3000
3400
3800
4050
4200
4150
4150
4150
4150
4350
4250
Sea lvl1000m2000m3000m4000m5000m
766776668912131313131313141198111071098121312161513161613
Sunrise
4:31
4:30
4:28
4:28
4:28
4:26
Sunset
6:40
6:42
6:43
6:44
6:45
6:45

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:400cm
Bottom snow depth:180cm
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan are reporting: powder (0) / good piste (0)


Snow History

Week 2 of May has on average:

0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.3
Powder days
Fresh snow, limited sun, any wind.
0.3
Bluebird days
Average snow, mostly sunny, light wind.



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