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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E
1965m altitude
Issued:
8 pm 22 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 20.0mm), heaviest during Sat night. Warm (max 20°C on Tue afternoon, min 15°C on Sat night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 48.0mm), heaviest during Thu afternoon. Warm (max 20°C on Wed afternoon, min 14°C on Thu night). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
thunderstorm
clear
clear
thunderstorm
rain showers
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
rain showers
thunderstorm
thunderstorm
mod rain
rain shwrs
t-storm
risk
t-storm
risk
clear
clear
t-storm
risk
rain shwrs
clear
t-storm
risk
t-storm
risk
some clouds
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
mod. rain
km/h
5
WSW
5
NW
5
NNW
5
WSW
5
NW
5
N
5
W
5
NW
0
ESE
5
S
10
SSW
15
SW
15
WSW
10
WSW
10
SW
10
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
5
2
3
4
3
3
5
3
4
4
16
8
max °C
17
18
17
16
19
19
17
19
20
18
19
20
18
18
18
16
min °C
15
16
16
15
17
18
17
17
19
16
17
18
17
17
17
14
 chill °C
15
16
16
15
17
18
17
17
19
16
17
18
17
17
17
13
Humid %
87
81
85
88
75
69
76
73
67
81
78
63
78
79
81
93
Freeze m
4850
4950
4900
5000
5000
4950
5050
5000
5000
5100
5200
4950
5050
5000
4900
4900
Sea lvl1000m2000m3000m4000m5000m
1617171618191718201718191818181516191816212017212017212017201815
Sunrise
5:09
5:09
5:11
5:11
5:13
Sunset
6:27
6:25
6:24
6:22
6:22

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 4 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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