Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831 m
Issued: 8 pm  03 Sep 2025 (local time)

The snow forecast for Happo One is: Heavy rain (total 85.0mm), heaviest during Thu night. Very mild (max 18°C on Sat morning, min 14°C on Thu night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Heavy rain (total 85.0mm), heaviest during Thu night. Very mild (max 18°C on Sat morning, min 14°C on Thu night). Wind will be generally light.

Happo One Weather (Days 4-6): Moderate rain (total 15.0mm), heaviest on Mon afternoon. Very mild (max 19°C on Sun morning, min 16°C on Sat night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.0m
16
5
part cloud
Middle Lift: 
19
5
part cloud
Bottom Lift: 0.0m
20
5
part cloud
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6 Day Forecast
Issued: 8 pm 03 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thursday
4
Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
heavy rain
heavy rain
heavy rain
light rain
rain showers
clear
part cloud
clear
clear
rain showers
clear
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
rain shwrs
light rain
heavy rain
heavy rain
heavy rain
light rain
rain shwrs
clear
some clouds
clear
clear
rain shwrs
clear
rain shwrs
risk thun- der
rain shwrs
risk thun- der
risk thun- der
rain shwrs
 km/h
5
SSW
5
S
5
S
15
SSW
0
WSW
10
NW
10
NW
5
WSW
5
WNW
10
WSW
10
W
5
W
10
WSW
5
W
5
WNW
5
WSW
5
W
5
WNW
10
S
Snow map
 cm 
 mm 
3
2
15
34
28
2
1
1
1
4
3
2
4
2
max°C
17
17
16
15
15
16
15
18
18
16
19
19
16
19
18
17
18
17
16
min°C
16
17
15
14
15
15
14
16
16
16
18
17
16
16
17
16
17
16
15
chill°C 
16
17
15
14
15
14
14
16
16
16
18
17
16
16
17
16
17
16
14
Humid% 
82
83
97
95
96
96
83
49
52
57
55
65
83
84
84
89
83
87
85
Freezing level (m
4950
4950
4950
4950
5100
5150
5050
5300
5250
5500
5200
5100
5100
4950
5050
4950
4850
4950
5100
topliftbotliftSea lvl1000m2000m3000m4000m5000m
1717161515161517171619181618181718171621242120202118252318272520252421252320
Sunrise
5:20
5:22
5:22
5:22
5:24
5:24
Sunset
6:13
6:12
6:09
6:08
6:07
6:06

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 1 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.