Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 760 m
Issued: 8 am  30 Dec 2025 (local time)

New snow in Happo One

0.8cm0.3in
Tue 30th (PM)
The snow forecast for Happo One is: Mild at first with light rain (total 7.0mm) on Tue morning followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Tue morning, min -8°C on Thu night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Mild at first with light rain (total 7.0mm) on Tue morning followed by colder weather and light fall of snow, heaviest on Wed afternoon. Freeze-thaw conditions (max 4°C on Tue morning, min -8°C on Thu night). Wind will be generally light.

Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 1°C on Sun morning, min -8°C on Sat night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.4m
-4
15
snow showers
Middle Lift: 
0
5
snow showers
Bottom Lift: 0.4m
4
5
rain showers
6 Day Forecast
Issued: 8 am 30 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
Sunday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
light snow
light snow
light snow
light snow
snow showers
snow showers
snow showers
snow showers
snow showers
mod snow
heavy snow
light snow
light snow
snow showers
light snow
mod snow
heavy snow
mod. rain
light snow
light snow
light snow
light snow
snow shwrs
snow shwrs
snow shwrs
snow shwrs
snow shwrs
mod. snow
heavy snow
light snow
light snow
snow shwrs
light snow
mod. snow
heavy snow
 km/h
5
WSW
5
WNW
5
W
5
W
5
WNW
5
W
5
NW
5
WNW
5
W
0
SW
5
N
5
WNW
5
WNW
5
WNW
5
WSW
10
SW
10
WSW
10
NW
Snow map
2
3
3
3
1
4
1
6
10
2
2
6
33
6
1
max °C
4
4
-1
1
1
-4
-1
-2
-7
-2
-3
-5
-1
-2
-6
1
1
-2
min °C
3
0
-3
0
-2
-6
-3
-7
-8
-4
-4
-7
-3
-5
-8
-1
-1
-6
1
-2
-6
-2
-4
-6
-3
-7
-8
-4
-7
-10
-6
-8
-11
-4
-4
-13
98
85
91
90
81
90
85
77
88
75
90
93
88
82
86
79
89
93
1250
1300
750
750
800
0
250
450
0
150
300
0
200
500
0
600
900
200
Sea lvl1000m2000m3000m4000m5000m
-4-5-7-8-9-11-11-11-13-12-12-13-11-11-10-8-8-1242-21-1-5-2-5-8-3-4-6-2-4-700-4
Sunrise
7:00
7:00
7:00
7:01
7:01
7:01
Sunset
4:40
4:42
4:42
4:43
4:44
4:45

Snow Radar

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Latest snow reports near Happo One:

  • 27 km away from Happo One

    3 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

    4 hours ago
    weather station observation

    Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is probably falling as rain at the bottom of the ski area from Iizuna Kogen

Happo One Snow Conditions

Top snow depth:140cm
Bottom snow depth:40cm
Fresh snowfall depth:9cm
Last snowfall:29 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.