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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E
1965m altitude
Issued:
2 pm 16 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 4.0mm), mostly falling on Mon afternoon. Very mild (max 18°C on Tue morning, min 14°C on Sun night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 47.0mm), heaviest during Thu afternoon. Very mild (max 17°C on Wed afternoon, min 15°C on Wed night). Wind will be generally light.

Sun
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
part cloud
cloud
light rain
part cloud
part cloud
thunderstorm
rain showers
rain showers
mod rain
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
cloudy
some clouds
cloudy
light rain
some clouds
some clouds
t-storm
risk
rain shwrs
rain shwrs
mod. rain
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
km/h
10
ESE
10
ESE
5
SE
5
ESE
10
ESE
5
SE
5
ESE
5
ESE
0
ESE
5
ESE
5
SE
0
SE
0
ESE
5
SW
5
WNW
0
WSW
5
W
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
1
1
1
6
3
6
13
1
3
8
5
max °C
16
15
16
16
15
18
17
15
17
17
16
17
16
16
17
17
16
min °C
15
14
14
15
14
15
16
15
16
16
15
16
16
15
16
16
16
 chill °C
15
13
14
15
14
15
16
15
16
16
15
16
16
15
16
16
16
Humid %
61
79
76
68
78
74
75
88
89
84
90
91
89
88
82
85
88
Freeze m
4950
5100
5100
5100
5250
5150
5050
5100
4950
4950
4950
4900
4900
4950
4850
4900
4900
Sea lvl1000m2000m3000m4000m5000m
16151516151717151717161716161717161614171715191815191816181715191816
Sunrise
5:03
5:05
5:05
5:07
5:07
Sunset
6:36
6:35
6:34
6:31
6:30
6:30

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Yunomaru:

No recent snow reports

No recent snow reports

Yunomaru Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 1 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of August 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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