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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E

Weather Forecast for Yunomaru at 1965m altitude

Issued:
8 pm 03 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 16.0mm), heaviest on Fri afternoon. Very mild (max 14°C on Thu night, min 10°C on Sun morning). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 42.0mm), heaviest during Tue night. Very mild (max 18°C on Tue morning, min 10°C on Sun night). Wind will be generally light.

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
cloud
thunderstorm
light rain
rain showers
light rain
light rain
light rain
light rain
light rain
light rain
cloud
part cloud
clear
rain showers
heavy rain
light rain
cloudy
t-storm
risk
light rain
rain shwrs
light rain
light rain
light rain
light rain
light rain
light rain
cloudy
some clouds
clear
rain shwrs
heavy rain
km/h
15
W
10
W
10
W
10
SSW
5
WSW
5
E
10
ESE
15
ESE
15
ESE
25
SE
20
E
10
NNE
10
NW
5
SW
10
SSW
15
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
3
2
1
1
3
1
2
3
2
1
12
max °C
14
13
13
12
12
12
12
11
12
12
13
15
15
18
18
15
min °C
13
13
12
11
11
12
11
10
12
10
12
15
14
16
16
15
 chill °C
12
12
12
10
11
12
10
8
10
7
10
15
13
16
16
15
Humid %
84
87
78
92
93
90
81
75
75
98
93
82
84
69
71
92
Freeze m
4700
4500
4350
4250
4300
4500
4650
4800
4950
4800
4900
4900
5000
5050
4950
5250
Sea lvl1000m2000m3000m4000m5000m
1413131212121211121113151517171514151412131311121211131514191815
Sunrise
5:18
5:20
5:20
5:20
5:22
Sunset
6:10
6:08
6:07
6:06
6:05

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 1 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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