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snowy resort
Ski Japan - Kumamoto

Asosan Snow Forecast

32.88° N 131.07° E

Weather Forecast for Asosan at 1050m altitude

Issued:
2 am 17 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 27.0mm), heaviest during Thu afternoon. Warm (max 21°C on Thu morning, min 15°C on Sat night). Wind will be generally light.

Days 4-6 weather summary:

Mostly dry. Warm (max 21°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
light rain
light rain
light rain
mod rain
rain showers
rain showers
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
rain shwrs
t-storm
risk
light rain
light rain
light rain
mod. rain
rain shwrs
rain shwrs
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
km/h
15
ESE
10
ESE
20
ESE
20
ESE
20
SE
15
ESE
5
E
5
NNW
5
NNE
20
NNE
15
NNE
15
NE
15
NE
10
NNE
5
E
0
SE
5
WNW
5
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
5
2
3
2
7
1
6
max °C
21
20
17
18
18
17
21
20
17
18
18
14
20
20
15
21
21
15
min °C
18
18
17
18
18
17
18
18
15
16
15
14
18
17
14
19
17
15
 chill °C
18
18
16
17
18
17
18
18
14
15
14
13
18
17
14
19
17
15
Humid %
85
89
90
94
96
94
94
88
87
93
88
60
35
50
55
46
59
74
Freeze m
4550
4650
4700
4600
4700
4900
4800
4850
4850
4900
5100
5200
5200
5150
5100
5000
5000
4950
Sea lvl1000m2000m3000m4000m5000m
191918181818192017171717181917191917201917181817201916171714191915201915
Sunrise
6:00
6:00
6:01
6:01
6:01
6:03
Sunset
6:20
6:17
6:16
6:15
6:14
6:13

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Asosan:

No recent snow reports

No recent snow reports

Asosan Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:11 Feb 2026
Snow AlertsCreate Alert
Other resorts in Japan - Kumamoto are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September 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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