comScore pixel
snowy resort
Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E

Weather Forecast for Yunomaru at 1965m altitude

Issued:
2 am 13 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 25.0mm), heaviest during Mon night. Very mild (max 18°C on Mon morning, min 12°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 38.0mm), heaviest during Wed morning. Very mild (max 13°C on Wed afternoon, min 10°C on Thu night). Wind will be generally light.

Sunday
13
Monday
14
Tuesday
15
Wednesday
16
Thursday
17
Friday
18
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
thunderstorm
part cloud
clear
rain showers
mod rain
light rain
light rain
light rain
mod rain
thunderstorm
light rain
mod rain
mod rain
light rain
cloud
light rain
light rain
some clouds
t-storm
risk
some clouds
clear
rain shwrs
mod. rain
light rain
light rain
light rain
mod. rain
t-storm
risk
light rain
mod. rain
mod. rain
light rain
cloudy
light rain
light rain
km/h
10
SW
10
SW
15
SW
20
SW
15
SW
10
WSW
15
SW
15
WSW
10
SSW
10
SW
5
WSW
5
S
5
SE
5
ENE
15
SE
15
SE
10
ESE
15
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
3
9
2
4
5
7
4
3
9
6
5
2
2
max °C
15
16
15
18
18
15
13
13
13
12
13
12
11
11
11
11
12
12
min °C
14
16
15
16
16
13
13
13
12
12
12
11
11
11
10
10
11
12
 chill °C
13
16
14
15
16
12
12
11
11
11
12
11
11
11
9
8
9
10
Humid %
92
89
83
68
63
76
87
87
92
95
95
97
95
98
99
95
93
94
Freeze m
4800
4900
4900
4950
4550
4650
4500
4400
4400
4400
4400
4400
4250
4200
4400
4550
4550
4750
Sea lvl1000m2000m3000m4000m5000m
151615171714131313121312111111111212161615191914141413131413121111111212
Sunrise
5:26
5:26
5:26
5:28
5:28
5:30
Sunset
5:57
5:55
5:53
5:52
5:51
5:50

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

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)

Snow-Forecast Partner Offers

Snow History

Week 2 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.

Map placeholder