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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: 2 am 10 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 5.0mm), mostly falling on Mon night. Freeze-thaw conditions (max 7°C on Mon morning, min 0°C on Sun morning). Winds decreasing (strong winds from the WNW on Sun morning, light winds from the SW by Tue morning).

Days 4-6 weather summary:

Moderate rain (total 11.0mm), heaviest on Thu afternoon. Very mild (max 11°C on Fri night, min 6°C on Thu morning). Wind will be generally light.

Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
Friday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
part cloud
part cloud
light rain
part cloud
rain showers
part cloud
part cloud
rain showers
clear
rain showers
thunderstorm
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
some clouds
rain shwrs
some clouds
some clouds
rain shwrs
clear
rain shwrs
risk thun- der
clear
clear
clear
clear
km/h
40
WNW
25
WNW
15
WSW
15
W
10
WSW
20
WSW
10
WSW
10
WSW
10
W
5
N
5
NE
0
W
10
NNW
5
NNW
10
W
10
W
15
W
15
W
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
3
2
2
3
6
 max °C
2
3
5
7
6
6
6
6
7
7
8
7
7
7
9
10
10
11
 min °C
0
3
4
5
6
5
6
6
6
7
7
7
6
7
8
9
10
10
-7
-2
2
2
4
2
4
4
4
6
6
6
4
6
7
7
8
8
51
34
25
48
56
50
64
72
63
54
62
63
76
82
48
44
44
24
2000
2500
2650
2850
2950
2900
2850
2900
3000
3000
2950
2900
2900
3100
3350
3750
3850
3950
Sea lvl1000m2000m3000m4000m5000m
1356666677877791010115651198111081211911109131311
Sunrise
4:33
4:31
4:31
4:30
4:28
4:28
Sunset
6:38
6:39
6:40
6:42
6:43
6:44

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:460cm
Bottom snow depth:240cm
Fresh snowfall depth:4cm
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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