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Gassan Glacier resort snow
Ski Japan

Gassan Glacier Snow Forecast

Lat Long: 38.52° N 140.01° E

Weather Forecast for Gassan Glacier at 1500m altitude

Issued: 2 am 11 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 164.0mm), heaviest during Sat night. Very mild (max 18°C on Sat morning, min 14°C on Sat afternoon). Winds increasing (light winds from the WSW on Sat morning, gales from the W by Sun afternoon).

Days 4-6 weather summary:

Moderate rain (total 13.0mm), heaviest on Thu afternoon. Warm (max 22°C on Thu morning, min 17°C on Tue morning). Wind will be generally light.

Saturday
11
Sunday
12
Monday
13
Tuesday
14
Wednesday
15
Thursday
16
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
thunderstorm
part cloud
part cloud
thunderstorm
part cloud
rain showers
thunderstorm
rain showers
t-storm
risk
t-storm
risk
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
light rain
t-storm
risk
some clouds
some clouds
t-storm
risk
some clouds
rain shwrs
t-storm
risk
rain shwrs
km/h
15
W
10
WSW
55
W
45
WNW
35
WNW
30
WNW
35
NW
25
NW
15
W
20
W
15
WNW
10
W
10
WSW
10
WSW
10
SSW
5
WSW
5
W
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
5
49
19
30
35
17
4
4
2
2
2
2
3
2
max °C
18
16
15
14
14
15
15
15
16
18
19
18
21
21
20
22
20
19
min °C
18
14
14
14
14
15
14
15
15
17
18
17
20
20
19
20
19
18
 chill °C
18
12
12
11
12
13
12
13
14
16
18
17
20
20
19
20
19
18
Humid %
92
83
99
99
99
99
99
99
99
97
93
76
84
86
72
86
94
87
Freeze m
4750
4550
4600
4600
4650
4750
4750
4850
5150
5250
5300
5250
5200
5500
5450
5500
5400
5550
Sea lvl1000m2000m3000m4000m5000m
151313131313131415161617181819181718181515141415151516181918212120212019
Sunrise
4:24
4:24
4:26
4:26
4:26
4:28
Sunset
7:05
7:05
7:04
7:04
7:02
7:02

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:25cm
Bottom snow depth:
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 2 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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