Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 760 m
Issued: 8 pm  29 Dec 2025 (local time)

New snow in Happo One

1.1cm0.4in
Tue 30th (PM)
The snow forecast for Happo One is: Mild with heavy rain (total 27.0mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Tue morning, min -7°C on Wed night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Mild with heavy rain (total 27.0mm), heaviest during Mon night. Becoming colder with a moderate fall of snow heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Tue morning, min -7°C on Wed night). Wind will be generally light.

Happo One Weather (Days 4-6): A light covering of new snow, mostly falling on Sun afternoon. Freeze-thaw conditions (max 2°C on Sun morning, min -9°C on Thu night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.4m
-4
20
mod snow
Middle Lift: 
0
5
mod snow
Bottom Lift: 0.4m
3
5
mod rain
6 Day Forecast
Issued: 8 pm 29 Dec 2025 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
mod rain
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
part cloud
light snow
snow showers
light snow
snow showers
clear
heavy rain
mod. rain
light snow
light snow
light snow
light snow
light snow
light snow
light snow
light snow
some clouds
light snow
snow shwrs
light snow
snow shwrs
clear
 km/h
5
WSW
5
WSW
5
WNW
5
W
5
W
5
WNW
5
WNW
5
WNW
5
WNW
5
WNW
5
WNW
5
NNW
5
WNW
5
W
5
WNW
5
SW
Snow map
4
4
4
4
1
1
4
1
17
8
2
max °C
2
4
4
0
1
1
-5
-1
-1
-6
-2
-3
-7
-1
-1
-6
min °C
2
3
0
-3
0
-3
-7
-3
-6
-9
-5
-9
-9
-3
-6
-8
0
2
-2
-6
-2
-6
-7
-3
-8
-9
-5
-9
-9
-6
-8
-11
97
98
87
93
91
84
91
90
78
89
76
77
88
82
79
75
1150
1250
1250
800
750
800
0
300
550
0
0
250
0
200
550
0
Sea lvl1000m2000m3000m4000m5000m
-4-4-5-7-8-9-12-11-10-13-12-13-14-11-10-10242-21-1-6-2-4-8-4-6-8-2-4-7
Sunrise
7:00
7:00
7:00
7:01
7:01
Sunset
4:40
4:42
4:42
4:43
4:44

Snow Radar

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Latest snow reports near Happo One:

  • 27 km away from Happo One

    41 minutes 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

    3 hours ago
    weather station observation

    Freezing 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:140cm
Bottom snow depth:40cm
Fresh snowfall depth:51cm
Last snowfall:27 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)


Snow History

Week 4 of December has on average:
0.8
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.0
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.