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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 1500m altitude

Issued: 2 pm 22 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 Sun morning. Very mild (max 12°C on Mon morning, min 3°C on Fri afternoon). Winds decreasing (fresh winds from the ESE on Fri night, light winds from the W by Mon morning).

Days 4-6 weather summary:

Light rain (total 7.0mm), mostly falling on Wed afternoon. Very mild (max 15°C on Tue morning, min 9°C on Mon night). Wind will be generally light.

Fri
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
part cloud
part cloud
part cloud
light rain
mod rain
light rain
cloud
part cloud
clear
part cloud
cloud
rain showers
part cloud
rain showers
rain showers
part cloud
light rain
some clouds
some clouds
some clouds
light rain
mod. rain
light rain
cloudy
some clouds
clear
some clouds
cloudy
rain shwrs
some clouds
rain shwrs
rain shwrs
some clouds
km/h
20
SE
20
SE
25
SE
20
SSE
20
SSE
15
SSW
15
WSW
20
WSW
10
W
15
WNW
5
SW
0
S
10
SE
5
SW
5
W
5
E
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
2
1
6
1
1
2
4
 max °C
4
6
8
9
7
7
8
7
12
11
10
15
13
11
13
14
12
 min °C
3
3
7
8
6
7
8
7
10
10
9
12
11
11
13
12
12
-2
-3
3
5
2
4
5
4
8
9
9
12
10
10
13
12
11
89
44
17
46
63
88
93
95
82
75
65
65
81
72
86
82
73
3250
3300
3900
3800
3550
3200
3250
3100
2950
3250
3700
3750
3950
3650
3550
3700
3850
Sea lvl1000m2000m3000m4000m5000m
477877667891010109101145897787111110141211131312
Sunrise
4:22
4:22
4:20
4:20
4:20
Sunset
6:50
6:51
6:51
6:52
6:52
6:53

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:180cm
Bottom snow depth:40cm
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 4 of May 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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