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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E
1965m altitude
Issued:
2 am 26 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 101.0mm), heaviest during Thu morning. Warm (max 21°C on Wed afternoon, min 13°C on Thu morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 24.0mm), heaviest during Sun morning. Very mild (max 17°C on Mon morning, min 14°C on Sat morning). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
thunderstorm
thunderstorm
heavy rain
heavy rain
light rain
rain showers
thunderstorm
mod rain
light rain
light rain
light rain
heavy rain
light rain
cloud
rain showers
thunderstorm
rain showers
clear
t-storm
risk
t-storm
risk
heavy rain
heavy rain
light rain
rain shwrs
t-storm
risk
mod. rain
light rain
light rain
light rain
heavy rain
light rain
cloudy
rain shwrs
t-storm
risk
rain shwrs
km/h
10
WSW
15
WSW
10
WSW
10
SW
15
W
25
W
15
WNW
10
WNW
10
WSW
5
SSW
5
WSW
10
SW
5
SW
5
W
10
SW
10
WSW
5
SSW
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
30
45
12
3
1
2
7
3
1
2
13
1
1
2
1
max °C
20
21
18
14
14
15
16
16
15
14
14
14
14
15
15
17
16
16
min °C
18
19
14
13
14
14
14
15
14
14
14
14
14
15
15
15
16
15
 chill °C
18
19
14
12
13
12
13
15
13
14
14
14
14
15
15
15
16
15
Humid %
64
56
79
99
84
78
90
76
92
98
94
93
99
96
96
93
92
87
Freeze m
5200
4950
5050
4900
4900
4850
4700
4900
4850
4900
5100
5100
5050
5100
5200
5150
5100
5150
Sea lvl1000m2000m3000m4000m5000m
192016141415151615141414141515161616222216141414171714141414141515181716
Sunrise
5:11
5:13
5:13
5:13
5:15
5:16
Sunset
6:22
6:22
6:21
6:19
6:17
6:15

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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