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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: 8 pm 29 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Mostly dry. Very mild (max 18°C on Mon morning, min 6°C on Fri night). Winds decreasing (gales from the W on Fri night, calm by Mon morning).

Days 5-7 weather summary:

Moderate rain (total 17.0mm), heaviest on Thu morning. Very mild (max 18°C on Tue morning, min 9°C on Thu afternoon). Winds increasing (calm on Tue morning, strong winds from the SE by Wed night).

Saturday
30
Sunday
31
Monday
1
Tuesday
2
Wednesday
3
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
light rain
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
light rain
km/h
70
W
60
W
55
WSW
60
W
35
W
35
WSW
25
W
10
WNW
5
ESE
10
WSW
0
N
5
E
5
SE
25
SE
25
SSE
40
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
5
 max °C
7
11
12
11
15
15
13
18
17
15
18
18
14
15
13
12
 min °C
6
10
11
9
13
13
11
16
15
14
17
15
14
14
13
10
-1
5
6
4
10
10
8
16
15
14
17
15
14
12
11
8
49
50
55
43
45
45
43
33
47
39
43
53
57
30
89
91
2700
2900
2950
3150
3200
3400
3850
3900
3950
3750
3800
3950
4150
4250
4350
4400
Sea lvl1000m2000m3000m4000m5000m
56881011121313141314141312117111210141412171615181714151311
Sunrise
4:18
4:18
4:16
4:16
4:16
Sunset
6:55
6:57
6:57
6:58
6:59

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:80cm
Bottom snow depth:5cm
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 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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