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Ski Japan - Nagano

Heavens Sonohara Snow World Snow Forecast

Lat Long: 35.46° N 137.67° E

Weather Forecast for Heavens Sonohara Snow World at 1375m altitude

Issued: 8 pm 29 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 37.0mm), heaviest during Thu afternoon. Very mild (max 19°C on Wed morning, min 12°C on Wed night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 31.0mm), heaviest during Thu night. Warm (max 20°C on Sat morning, min 13°C on Fri night). Wind will be generally light.

Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
cloud
thunderstorm
part cloud
cloud
cloud
mod rain
mod rain
heavy rain
heavy rain
light rain
rain showers
part cloud
clear
thunderstorm
rain showers
rain shwrs
cloudy
t-storm
risk
some clouds
cloudy
cloudy
mod. rain
mod. rain
heavy rain
heavy rain
light rain
rain shwrs
some clouds
clear
t-storm
risk
rain shwrs
km/h
0
WNW
5
SSE
5
SW
5
N
5
ESE
5
WSW
5
SE
5
SE
15
S
15
WSW
10
WNW
15
WNW
5
NNW
5
W
10
W
5
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
7
9
18
11
1
1
2
3
max °C
14
18
17
14
19
17
15
13
14
15
17
18
15
20
20
15
min °C
14
16
16
13
17
16
12
12
13
14
16
16
13
18
17
14
 chill °C
14
16
16
12
17
16
12
12
12
13
16
16
13
18
17
14
Humid %
87
79
85
89
73
79
71
96
99
98
93
87
72
67
70
99
Freeze m
4400
4400
4150
4400
4400
4450
4300
4600
4700
4750
4800
4700
4600
4350
4400
4650
Sea lvl1000m2000m3000m4000m5000m
1516161516161413141515161616171514171714181714131415171714191915
Sunrise
4:37
4:37
4:37
4:37
4:37
Sunset
7:07
7:07
7:07
7:07
7:07

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Heavens Sonohara Snow World:

No recent snow reports

No recent snow reports

Heavens Sonohara Snow World Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:26 Mar 2026
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 4 of June 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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