Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1296 m
Issued: 2 am  18 Sep 2025 (local time)

The snow forecast for Happo One is: Heavy rain (total 79.0mm), heaviest during Sat morning. Very mild (max 18°C on Thu morning, min 11°C on Sat night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Heavy rain (total 79.0mm), heaviest during Sat morning. Very mild (max 18°C on Thu morning, min 11°C on Sat night). Wind will be generally light.

Happo One Weather (Days 4-6): Light rain (total 7.0mm), mostly falling on Tue afternoon. Very mild (max 15°C on Mon morning, min 10°C on Sun night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.0m
15
15
light rain
Middle Lift: 
18
5
light rain
Bottom Lift: 0.0m
19
5
light rain
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6 Day Forecast
Issued: 2 am 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
mod rain
light rain
light rain
light rain
heavy rain
heavy rain
mod rain
mod rain
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
light rain
light rain
part cloud
cloud
light rain
heavy rain
mod. rain
mod. rain
light rain
light rain
light rain
heavy rain
heavy rain
mod. rain
mod. rain
rain shwrs
rain shwrs
some clouds
some clouds
cloudy
some clouds
light rain
light rain
some clouds
cloudy
light rain
heavy rain
 km/h
10
W
10
NNW
5
NNW
5
SE
5
SE
10
S
10
S
15
SSW
10
W
5
NNW
10
N
5
ESE
5
ESE
5
E
10
SSE
10
SSE
5
SSE
5
S
10
SSE
5
SE
15
SSE
Snow map
 cm 
 mm 
8
10
3
1
2
20
19
9
7
2
1
1
3
1
17
max°C
18
17
15
16
16
14
15
17
15
14
13
10
15
14
12
14
13
12
16
16
12
min°C
18
15
13
14
14
13
14
16
11
11
11
10
12
13
11
12
13
11
13
14
11
chill°C 
18
15
13
14
14
12
13
16
10
10
11
10
12
13
10
11
13
11
12
14
9
Humid% 
90
98
98
91
90
98
98
91
91
91
82
84
76
72
92
88
89
92
82
71
97
Freezing level (m
4650
4450
4100
4100
4200
4250
4400
4450
3650
3500
3600
3650
3500
3500
3500
3550
3550
3750
4100
4250
4500
topliftbotliftSea lvl1000m2000m3000m4000m5000m
1514111212111314109971010910109121210211917191816181916171511181714171613191815
Sunrise
5:31
5:33
5:33
5:35
5:35
5:35
5:37
Sunset
5:52
5:51
5:49
5:47
5:45
5:45
5:43

Snow Radar

Latest snow reports near Happo One:

No recent snow reports

No recent snow reports

Happo One Snow Conditions

Top snow depth:0cm
Bottom snow depth:0cm
Fresh snowfall depth:
Last snowfall:28 Apr 2025
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Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 3 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.