Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 760 m
Issued: 8 am  10 Dec 2025 (local time)

New snow in Happo One

18.0cm7in
Thu 11th (NGT)
The snow forecast for Happo One is: Moderate rain (total 19.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Thu morning, min -10°C on Fri night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Moderate rain (total 19.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Thu morning, min -10°C on Fri night). Wind will be generally light.

Happo One Weather (Days 4-6): Mild with heavy rain (total 20.0mm), heaviest during Sun afternoon. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 4°C on Sun morning, min -9°C on Mon night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.9m
-5
10
mod snow
Middle Lift: 
-1
5
light snow
Bottom Lift: 0.3m
3
5
mod rain
6 Day Forecast
Issued: 8 am 10 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
snow showers
part cloud
part cloud
light rain
heavy snow
mod snow
light snow
light snow
part cloud
cloud
light snow
mod rain
heavy rain
mod snow
snow showers
snow showers
clear
light rain
snow shwrs
some clouds
some clouds
light rain
heavy snow
mod. snow
light snow
light snow
some clouds
cloudy
light snow
mod. rain
heavy rain
mod. snow
snow shwrs
snow shwrs
clear
 km/h
5
W
5
NW
5
SW
10
SSW
10
SW
10
NNW
10
WNW
10
NW
5
WNW
5
NW
0
E
5
S
10
S
5
WSW
10
WNW
5
WNW
5
NW
5
W
Snow map
18
6
2
1
9
1
2
4
1
12
8
12
max °C
4
3
0
7
6
3
-3
-4
-8
0
1
1
4
4
0
1
0
-8
min °C
2
1
-3
4
3
-3
-4
-8
-10
-3
-4
-3
2
2
-2
-1
-6
-9
1
1
-6
2
1
-7
-8
-12
-13
-3
-4
-6
0
0
-5
-4
-6
-9
77
96
60
52
64
97
87
83
89
73
81
72
94
99
94
87
85
76
1100
1150
800
1650
1800
850
0
0
0
350
800
750
1100
1450
750
650
700
0
topbotSea lvl1000m2000m3000m4000m5000m
-5-5-4-1-1-7-12-12-11-8-7-4-3-3-7-8-9-832-2650-4-6-9-2-2-133-10-3-9
Sunrise
6:48
6:50
6:50
6:50
6:52
6:52
Sunset
4:31
4:31
4:31
4:32
4:32
4:32

Snow Radar

Latest snow reports near Happo One:

No recent snow reports

No recent snow reports

Happo One Snow Conditions

Top snow depth:89cm
Bottom snow depth:30cm
Fresh snowfall depth:12cm
Last snowfall: 9 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)


Snow History

Week 2 of December has on average:
0.3
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.