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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 31 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 Thu afternoon. Very mild (max 18°C on Wed morning, min 13°C on Thu afternoon). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 27.0mm), heaviest during Thu night. Very mild (max 13°C on Thu night, min 10°C on Sat night). Wind will be generally light.

Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
clear
thunderstorm
part cloud
part cloud
thunderstorm
mod rain
light rain
light rain
heavy rain
light rain
light rain
light rain
part cloud
clear
clear
light rain
clear
t-storm
risk
some clouds
some clouds
t-storm
risk
mod. rain
light rain
light rain
heavy rain
light rain
light rain
light rain
some clouds
clear
clear
km/h
5
S
10
SSW
5
SSW
10
SSW
5
WSW
5
SW
10
SSW
20
SW
20
WSW
10
SW
0
SE
5
S
5
SE
10
ESE
10
E
15
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
1
3
6
2
5
19
4
2
2
max °C
15
16
16
15
18
18
16
15
13
13
12
11
12
12
13
11
min °C
14
15
15
14
16
16
16
14
13
12
12
11
11
11
12
10
 chill °C
14
15
15
14
16
16
16
12
11
11
12
11
10
10
11
8
Humid %
95
89
88
84
76
72
82
78
94
99
96
93
81
77
65
76
Freeze m
5150
5150
5100
5100
4900
4750
4900
4700
4700
4750
4650
4600
4750
4350
4600
4650
Sea lvl1000m2000m3000m4000m5000m
1516161517171615131312111212131115171615201916151413131211131310
Sunrise
5:16
5:16
5:18
5:18
5:20
Sunset
6:15
6:13
6:12
6:10
6:08

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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