Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 760 m
Issued: 8 pm  11 Dec 2025 (local time)

New snow in Happo One

12.8cm5in
Fri 12th (AM)
The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Becoming milder with heavy rain (total 51.0mm) on Sun afternoon. Freeze-thaw conditions (max 4°C on Sun morning, min -11°C on Fri night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Becoming milder with heavy rain (total 51.0mm) on Sun afternoon. Freeze-thaw conditions (max 4°C on Sun morning, min -11°C on Fri night). Wind will be generally light.

Happo One Weather (Days 4-6): A moderate fall of snow, heaviest on Sun night. Turning milder with moderate rain (total 16.0mm), heaviest on Tue night. Freeze-thaw conditions (max 4°C on Tue morning, min -8°C on Mon night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.8m
-10
20
heavy snow
Middle Lift: 
-6
10
heavy snow
Bottom Lift: 0.3m
-2
10
heavy snow
6 Day Forecast
Issued: 8 pm 11 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy snow
light snow
light snow
snow showers
part cloud
cloud
light rain
heavy rain
light snow
mod snow
light snow
snow showers
part cloud
clear
light snow
light snow
heavy snow
light snow
light snow
snow shwrs
some clouds
cloudy
light rain
heavy rain
light snow
mod. snow
light snow
snow shwrs
some clouds
clear
light snow
light snow
 km/h
10
NW
10
NW
10
NW
5
WNW
5
S
5
SSE
5
S
5
SSW
10
WNW
10
WNW
10
NW
5
NW
5
WSW
5
WSW
5
W
5
WSW
Snow map
15
3
1
5
9
3
1
13
5
19
14
1
6
max °C
3
-3
-3
-6
2
3
2
4
3
-1
0
0
-6
4
3
2
min °C
-4
-4
-8
-11
-2
-2
-1
4
0
-3
-1
-7
-8
1
0
0
-8
-8
-11
-11
-2
-5
-4
2
-5
-7
-4
-7
-8
-1
-2
-2
97
86
83
80
66
72
93
99
95
92
92
84
74
73
88
91
850
0
250
0
500
1200
1150
1650
1250
450
600
700
0
1000
1300
1150
topbotSea lvl1000m2000m3000m4000m5000m
-7-12-11-11-6-4-2-2-6-9-9-9-8-4-4-4-1-4-6-901142-2-1-4-7321
Sunrise
6:50
6:50
6:52
6:52
6:52
Sunset
4:31
4:32
4:32
4:32
4:32

Snow Radar

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Latest snow reports near Happo One:

  • 27 km away from Happo One

    1 hour ago
    weather station observation

    Moderate to heavy 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

  • 27 km away from Happo One

    3 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

  • 12 km away from Happo One

    6 hours ago
    Is it snowing?

    Snow falling in Kashimayari. from Kashimayari

Happo One Snow Conditions

Top snow depth:80cm
Bottom snow depth:30cm
Fresh snowfall depth:7cm
Last snowfall:10 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.