Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831 m
Issued: 2 am  10 Dec 2025 (local time)

New snow in Happo One

1.9cm0.7in
Wed 10th (AM)
The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max 0°C on Thu morning, min -12°C on Fri morning). Winds increasing (light winds from the W on Wed afternoon, fresh winds from the WSW by Thu afternoon).

Happo One Weather (Next 3 days): The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Temperatures will be below freezing (max 0°C on Thu morning, min -12°C on Fri morning). Winds increasing (light winds from the W on Wed afternoon, fresh winds from the WSW by Thu afternoon).

Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Sun night. Temperatures will be below freezing (max -2°C on Sun afternoon, min -10°C on Mon afternoon). Winds increasing (calm on Sat afternoon, fresh winds from the W by Sun night).


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.9m
-7
10
clear
Middle Lift: 
-4
5
clear
Bottom Lift: 0.3m
-3
5
clear
6 Day Forecast
Issued: 2 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
snow showers
snow showers
part cloud
part cloud
snow showers
heavy snow
mod snow
light snow
light snow
clear
cloud
light snow
mod snow
light snow
heavy snow
light snow
snow showers
snow showers
snow shwrs
snow shwrs
some clouds
some clouds
snow shwrs
heavy snow
mod. snow
light snow
light snow
clear
cloudy
light snow
mod. snow
light snow
heavy snow
light snow
snow shwrs
snow shwrs
 km/h
10
W
10
WNW
15
WSW
20
SW
25
WSW
20
NW
20
WNW
25
NW
15
NW
10
NW
5
NW
15
SW
15
SSW
10
WSW
25
WNW
20
WNW
15
WNW
15
W
Snow map
2
42
8
4
2
5
4
37
3
1
max °C
-4
-5
-2
0
0
-3
-12
-11
-11
-7
-7
-4
-3
-2
-5
-8
-8
-7
min °C
-5
-6
-4
-1
-2
-11
-12
-12
-12
-9
-8
-7
-4
-3
-8
-9
-10
-9
-10
-10
-9
-6
-9
-20
-21
-20
-19
-14
-8
-12
-9
-10
-15
-16
-17
-15
72
91
39
35
53
96
90
76
73
61
75
62
95
98
95
88
82
63
1050
1200
850
1600
1850
850
0
0
0
300
700
700
950
1350
800
650
650
0
topbotSea lvl1000m2000m3000m4000m5000m
-5-6-3-1-1-7-12-12-12-8-8-6-4-3-7-9-9-831-265-1-4-5-9-2-3-2231-1-4-7
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

Submit a report Eyeball Reporter

Latest snow reports near Happo One:

  • 27 km away from Happo One

    17 hours ago
    weather station observation

    Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen

  • 27 km away from Happo One

    20 hours ago
    weather station observation

    Continuous light rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen

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:
1.4
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
2.5
Powder days
Fresh snow, limited sun, any wind.
0.6
Bluebird days
Average snow, mostly sunny, light wind.