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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E
1965m altitude
Issued:
8 pm 25 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 74.0mm), heaviest during Thu morning. Warm (max 21°C on Wed afternoon, min 13°C on Thu afternoon). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 39.0mm), heaviest during Sun night. Very mild (max 17°C on Sun morning, min 13°C on Fri night). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
part cloud
thunderstorm
heavy rain
heavy rain
light rain
rain showers
part cloud
thunderstorm
light rain
light rain
light rain
cloud
light rain
light rain
heavy rain
t-storm
risk
some clouds
t-storm
risk
heavy rain
heavy rain
light rain
rain shwrs
some clouds
t-storm
risk
light rain
light rain
light rain
cloudy
light rain
light rain
heavy rain
km/h
15
W
10
W
15
SW
15
SW
5
W
25
WNW
20
W
15
WNW
10
WNW
10
WSW
10
SW
10
SW
10
SW
10
W
5
S
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
22
42
5
1
1
2
2
2
1
4
14
max °C
19
20
21
18
14
13
15
16
16
15
14
14
14
17
16
14
min °C
18
18
19
14
14
13
14
14
15
13
13
14
13
15
15
14
 chill °C
18
18
19
14
14
11
13
13
15
13
12
14
12
15
15
14
Humid %
65
63
54
76
98
83
75
83
69
85
97
98
92
88
90
96
Freeze m
5150
5200
5050
5050
4850
4750
4750
4650
4750
4950
4800
5000
5050
4950
5000
5000
Sea lvl1000m2000m3000m4000m5000m
1919201614131515161414141416161417222216141414171714141514181614
Sunrise
5:11
5:13
5:13
5:13
5:15
Sunset
6:22
6:22
6:21
6:19
6:17

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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