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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 15 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 16°C on Mon morning, min 9°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Mostly dry. Very mild (max 15°C on Mon afternoon, min 6°C on Wed night). Winds decreasing (fresh winds from the W on Mon night, calm by Wed night).

Fri
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
clear
km/h
5
NE
0
SSW
0
NNE
5
NNW
15
NNW
10
NW
10
WNW
15
WNW
15
W
20
W
30
W
20
W
25
W
20
W
15
W
15
NW
10
NNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
 max °C
12
11
15
14
10
13
12
11
16
15
12
15
15
10
10
11
8
 min °C
10
9
13
12
9
12
10
9
13
13
12
14
11
9
10
9
6
10
9
13
12
7
11
8
7
11
11
9
12
8
6
8
7
4
59
36
54
68
47
40
59
70
61
49
23
33
27
48
75
65
50
3750
3950
3850
3800
3550
3450
3450
4200
4200
4300
4200
4000
3850
3750
3050
3300
3450
Sea lvl1000m2000m3000m4000m5000m
1010101110991011121211119787111014131013111015141215131010107
Sunrise
4:28
4:26
4:26
4:24
4:24
Sunset
6:44
6:45
6:45
6:45
6:46
6:47

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.
0.1
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.



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