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Ski Japan - Nagano

Yunomaru Snow Forecast

36.42° N 138.42° E

Weather Forecast for Yunomaru at 1965 m altitude

Issued:
8 pm 28 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 23.0mm), heaviest during Mon night. Very mild (max 13°C on Wed morning, min 9°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Some drizzle, heaviest during Sun afternoon. Very mild (max 11°C on Thu night, min 5°C on Fri afternoon). Winds decreasing (fresh winds from the WNW on Thu night, calm by Sun morning).

Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
light rain
clear
clear
clear
part cloud
light rain
rain showers
clear
clear
clear
clear
part cloud
part cloud
part cloud
heavy rain
light rain
light rain
clear
clear
clear
some clouds
light rain
rain shwrs
clear
clear
clear
clear
some clouds
some clouds
some clouds
km/h
25
W
25
W
20
W
10
WSW
5
SW
5
SSE
20
SSW
15
WSW
15
W
25
WNW
25
WNW
20
WNW
15
WNW
10
WNW
5
W
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
13
5
2
—
—
—
—
2
1
—
—
—
—
—
—
—
max °C
12
10
9
10
13
13
12
13
13
11
8
8
5
8
8
7
min °C
9
9
9
9
11
11
11
12
12
7
7
5
5
5
8
7
 chill °C
6
6
6
7
10
10
9
10
10
3
3
2
2
2
7
6
Humid %
83
83
78
66
60
62
93
96
89
68
54
52
57
46
40
57
Freeze m
4250
4100
4100
4300
4500
4650
4600
4550
4700
4650
3900
3500
3450
3650
3650
3950
Sea lvl1000m2000m3000m4000m5000m
1110910121212131398757871110109141312131391084896
Sunrise
—
5:39
—
—
5:39
—
—
5:39
—
—
5:41
—
—
5:41
—
—
Sunset
—
—
5:32
—
—
5:31
—
—
5:30
—
—
5:29
—
—
5:28
—

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 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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