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snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E
1965m altitude
Issued:
8 pm 19 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 38.0mm), heaviest during Thu afternoon. Very mild (max 17°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Days 5-7 weather summary:

Moderate rain (total 15.0mm), heaviest on Sat night. Very mild (max 18°C on Mon afternoon, min 14°C on Sat night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
thunderstorm
thunderstorm
light rain
rain showers
thunderstorm
clear
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
light rain
t-storm
risk
t-storm
risk
light rain
rain shwrs
t-storm
risk
clear
km/h
0
SE
5
NNE
5
NE
5
SW
10
W
5
WSW
10
WSW
10
WNW
5
W
0
SSW
0
S
5
NE
5
S
0
W
5
ENE
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
7
11
5
3
3
2
1
5
2
1
2
3
1
3
max °C
16
16
17
16
16
16
16
17
16
15
16
16
15
17
18
16
min °C
15
16
16
15
16
16
15
15
16
14
15
16
15
15
16
16
 chill °C
15
16
16
15
16
16
15
15
16
14
15
16
15
15
16
16
Humid %
93
85
86
86
87
85
90
83
82
86
86
82
93
86
75
83
Freeze m
4850
4900
4950
4950
4850
4950
4850
4900
4850
4850
4950
4850
4950
5100
5300
5350
Sea lvl1000m2000m3000m4000m5000m
1616171616161616161516161516171616181816171715181715171715181916
Sunrise
5:07
5:07
5:09
5:09
5:09
Sunset
6:30
6:30
6:29
6:27
6:25

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 3 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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