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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 am 01 May 2026 (local time)

Forecast update in  hr  min

Next snow in Gassan Glacier: 1.6cm on Fri 1st  (after 9 PM)

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 56.0mm), heaviest during Fri night. Later becoming colder with a dusting of snow on Fri night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Winds decreasing (stormy winds from the WNW on Fri night, light winds from the SSE by Sun afternoon).

Days 4-6 weather summary:

Moderate rain (total 18.0mm), heaviest on Mon morning. Very mild (max 13°C on Wed morning, min 2°C on Mon night). Winds decreasing (gales from the WSW on Mon afternoon, calm by Wed afternoon).

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
light rain
light snow
part cloud
clear
part cloud
part cloud
light rain
heavy rain
mod rain
light rain
light rain
rain showers
clear
clear
part cloud
thunderstorm
part cloud
mod. rain
light rain
light snow
some clouds
clear
some clouds
some clouds
light rain
heavy rain
mod. rain
light rain
light rain
rain shwrs
clear
clear
some clouds
risk thun- der
some clouds
km/h
50
SE
35
SE
55
WSW
90
W
75
WNW
55
W
20
WSW
15
WSW
20
S
40
WSW
65
WSW
35
WNW
30
WNW
10
W
10
SSW
10
SW
5
W
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
4
8
2
24
1
21
7
4
5
1
1
 max °C
7
8
3
3
3
6
10
8
7
8
7
4
5
8
9
13
11
10
 min °C
6
7
1
2
3
3
9
5
5
8
6
2
3
6
7
12
10
8
0
4
-9
-7
-5
-4
6
3
2
3
-1
-4
-3
4
4
11
10
8
95
93
98
92
81
34
56
51
95
92
88
97
94
58
34
70
86
82
3150
3600
2300
1900
2500
2600
2600
2450
3600
2950
3500
2350
2450
2800
3250
3300
3250
3450
Sea lvl1000m2000m3000m4000m5000m
771013546662258999782335107687347813119
Sunrise
4:43
4:41
4:41
4:39
4:39
4:37
Sunset
6:30
6:31
6:31
6:32
6:34
6:35

Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:610cm
Bottom snow depth:390cm
Fresh snowfall depth:
Last snowfall:28 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan are reporting: powder (0) / good piste (0)


Snow History

Week 1 of May has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.



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