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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 am 25 Jul 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 60.0mm), heaviest during Mon night. Very mild (max 16°C on Sat morning, min 13°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 15.0mm), heaviest on Tue morning. Very mild (max 16°C on Thu morning, min 12°C on Tue night). Winds increasing (calm on Tue night, fresh winds from the W by Thu night).

Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
mod rain
mod rain
mod rain
mod rain
mod rain
light rain
thunderstorm
mod rain
mod rain
light rain
part cloud
rain showers
rain showers
rain showers
light rain
part cloud
part cloud
mod. rain
mod. rain
mod. rain
mod. rain
mod. rain
mod. rain
light rain
t-storm
risk
mod. rain
mod. rain
light rain
some clouds
rain shwrs
rain shwrs
rain shwrs
light rain
some clouds
some clouds
km/h
10
WNW
10
WNW
10
SW
15
WSW
10
SW
10
S
5
SW
5
W
10
W
5
SW
5
W
5
S
0
SSE
5
SW
10
WSW
15
W
15
WNW
25
W
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
6
7
8
9
8
9
1
4
8
7
2
1
2
2
1
max °C
16
16
15
15
14
13
15
16
14
13
13
13
15
15
14
16
16
16
min °C
16
15
14
15
14
13
14
15
13
13
13
12
15
15
14
15
16
16
 chill °C
16
15
13
14
14
12
14
15
13
13
13
12
15
15
14
14
16
15
Humid %
99
92
97
99
100
99
95
91
85
96
98
92
96
91
81
92
96
81
Freeze m
4900
4700
4600
4550
4500
4250
4400
4450
4400
4200
4300
4400
4650
4800
4800
5000
5100
5200
Sea lvl1000m2000m3000m4000m5000m
141413131312131312111212131313141516161615151413151614131313151514161616
Sunrise
4:35
4:35
4:35
4:37
4:37
4:39
Sunset
6:57
6:55
6:54
6:53
6:52
6:52

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Gassan Glacier:

No recent snow reports

No recent snow reports

Gassan Glacier Snow Conditions

Top snow depth:0cm
Bottom snow depth:0cm
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 July 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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