Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831 m
Issued: 2 pm  18 Sep 2025 (local time)

The snow forecast for Happo One is: Heavy rain (total 52.0mm), heaviest during Sat afternoon. Very mild (max 13°C on Thu afternoon, min 9°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 52.0mm), heaviest during Sat afternoon. Very mild (max 13°C on Thu afternoon, min 9°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 11°C on Mon morning, min 7°C on Sun night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.0m
13
10
heavy rain
Middle Lift: 
16
10
heavy rain
Bottom Lift: 0.0m
19
5
heavy rain
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6 Day Forecast
Issued: 2 pm 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
light rain
rain showers
light rain
light rain
heavy rain
mod rain
light rain
rain showers
part cloud
part cloud
light rain
cloud
light rain
light rain
cloud
cloud
mod rain
heavy rain
heavy rain
light rain
light rain
rain shwrs
light rain
light rain
heavy rain
mod. rain
light rain
rain shwrs
some clouds
some clouds
light rain
cloudy
light rain
light rain
cloudy
cloudy
mod. rain
heavy rain
 km/h
10
NW
5
NW
5
SSW
5
S
10
SW
20
SSW
20
SW
20
W
10
NW
10
NNW
0
NNW
0
NE
0
ESE
10
S
5
SSW
5
SSE
10
SSE
10
SSE
10
SSE
20
S
Snow map
 cm 
 mm 
11
3
1
2
4
4
19
6
2
1
2
1
3
7
30
max°C
13
12
12
12
11
13
13
12
9
9
7
11
11
9
10
10
9
10
9
12
min°C
12
10
11
11
11
12
13
9
9
8
7
8
10
9
10
9
9
9
9
10
chill°C 
11
10
11
10
10
10
11
7
7
7
7
8
10
8
10
8
8
7
7
8
Humid% 
98
96
87
87
96
95
98
94
91
85
74
71
69
79
74
83
74
85
97
96
Freezing level (m
4500
4200
4150
4200
4200
4450
4550
3950
3500
3650
3650
3300
3450
3650
3500
3400
3900
4250
4150
4550
topliftbotliftSea lvl1000m2000m3000m4000m5000m
13111212111313119971011910109109111917191816181816161411181713171613151415
Sunrise
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.