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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 am 07 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 131.0mm), heaviest during Mon afternoon. Very mild (max 16°C on Mon night, min 12°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 93.0mm), heaviest during Fri morning. Very mild (max 15°C on Sat afternoon, min 12°C on Thu morning). Wind will be generally light.

Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
heavy rain
mod rain
light rain
mod rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
thunderstorm
part cloud
heavy rain
heavy rain
mod. rain
light rain
mod. rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
light rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
t-storm
risk
some clouds
km/h
10
WSW
20
WSW
15
SW
20
SW
15
SW
20
SW
20
WSW
10
SSW
15
SSW
10
SSW
10
SW
5
S
10
S
10
SW
10
SW
10
SW
10
SW
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
13
25
7
4
6
14
15
17
30
3
1
25
26
15
14
4
5
max °C
15
15
16
16
16
16
14
14
13
12
12
12
12
13
14
14
15
15
min °C
14
14
15
15
16
15
14
13
12
12
12
12
12
12
13
14
15
14
 chill °C
13
13
14
14
16
14
13
12
11
11
11
11
11
11
13
13
15
13
Humid %
93
95
93
94
98
99
98
100
99
99
93
96
100
99
93
98
96
92
Freeze m
5200
5300
5150
5200
5250
5250
5250
5200
5050
5000
5000
4950
4950
4900
5000
4900
4950
5000
Sea lvl1000m2000m3000m4000m5000m
151516161616141413121212121314141515151415171716141412121212121314151615
Sunrise
5:20
5:22
5:22
5:24
5:24
5:24
Sunset
6:06
6:05
6:02
6:01
6:00
5:59

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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