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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: 8 pm 11 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 17.0mm), heaviest on Thu afternoon. Mild temperatures (max 7°C on Mon night, min 5°C on Wed night). Wind will be generally light.

Days 5-7 weather summary:

Mostly dry. Very mild (max 13°C on Sun afternoon, min 7°C on Thu night). Wind will be generally light.

Tuesday
12
Wednesday
13
Thursday
14
Friday
15
Saturday
16
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
rain showers
light rain
light rain
rain showers
rain showers
part cloud
rain showers
thunderstorm
clear
clear
clear
clear
clear
clear
clear
light rain
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
risk thun- der
clear
clear
clear
clear
clear
clear
clear
km/h
15
WSW
10
SSW
5
S
10
WSW
5
NW
5
NW
0
W
5
NNE
5
NNW
5
NW
10
WNW
5
WSW
10
WSW
10
W
10
WSW
5
W
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
1
2
1
3
3
1
5
 max °C
7
6
6
6
6
6
6
6
6
8
10
11
12
12
12
12
 min °C
6
6
6
6
6
6
5
6
6
7
8
11
11
11
12
12
4
4
5
4
5
5
5
5
5
7
6
11
10
10
11
12
54
70
82
74
76
60
69
74
84
45
44
39
9
24
38
21
3100
2900
2850
2950
2850
2900
2800
2800
2950
3350
3750
4000
4200
4100
4100
4050
Sea lvl1000m2000m3000m4000m5000m
7666666668911121212128119811971098121311151412
Sunrise
4:31
4:30
4:28
4:28
4:28
Sunset
6:40
6:42
6:43
6:44
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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