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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 1742m altitude

Issued: 2 pm 16 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Mostly dry. Very mild (max 15°C on Mon afternoon, min 10°C on Sun morning). Winds increasing (calm on Sat afternoon, fresh winds from the W by Mon night).

Days 4-6 weather summary:

Heavy rain (total 29.0mm), heaviest during Thu night. Very mild (max 13°C on Tue afternoon, min 5°C on Fri morning). Winds increasing (calm on Wed night, strong winds from the E by Fri morning).

Sat
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
clear
part cloud
cloud
cloud
heavy rain
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
clear
some clouds
cloudy
cloudy
heavy rain
km/h
5
NNE
10
NNW
10
NW
15
WNW
15
WNW
20
W
20
W
25
W
20
W
20
W
10
WSW
10
WNW
10
WNW
5
SW
15
SSE
20
SE
30
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
17
 max °C
12
11
11
11
12
14
15
14
13
13
13
11
11
10
9
7
7
 min °C
12
11
10
11
11
12
14
13
13
13
11
11
11
10
7
7
6
12
10
8
9
9
10
12
10
11
11
10
10
10
9
4
4
1
59
38
35
48
61
60
42
28
29
40
43
46
52
60
66
87
92
3900
3700
3600
3700
4150
4350
4400
4200
4150
3950
3650
3200
3250
3450
3400
3300
3050
Sea lvl1000m2000m3000m4000m5000m
111010101112131312121099976613101412111615121614121413101097
Sunrise
4:26
4:26
4:24
4:24
4:24
Sunset
6:45
6:45
6:45
6:46
6:47
6:49

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:340cm
Bottom snow depth:120cm
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 3 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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