Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 760 m
Issued: 8 pm  25 Dec 2025 (local time)

New snow in Happo One

38.1cm14in
Fri 26th (AM)
The snow forecast for Happo One is: Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -12°C on Fri night). Wind will be generally light.

Happo One Weather (Next 3 days): The snow forecast for Happo One is: Light rain (total 4.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 4°C on Thu night, min -12°C on Fri night). Wind will be generally light.

Happo One Weather (Days 4-6): Mild at first with light rain (total 8.0mm) on Tue morning followed by colder weather and light fall of snow, heaviest on Tue afternoon. Freeze-thaw conditions (max 4°C on Mon morning, min -8°C on Tue night). Wind will be generally light.


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.1m
-4
15
snow showers
Middle Lift: 
-1
10
snow showers
Bottom Lift: 0.5m
2
10
rain showers
6 Day Forecast
Issued: 8 pm 25 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
heavy snow
heavy snow
snow showers
cloud
part cloud
snow showers
part cloud
clear
clear
part cloud
light rain
light snow
mod rain
mod snow
snow showers
mod. snow
heavy snow
heavy snow
snow shwrs
cloudy
some clouds
snow shwrs
some clouds
clear
clear
some clouds
light rain
light snow
mod. rain
mod. snow
snow shwrs
 km/h
10
SW
10
NNW
10
NW
5
W
5
W
5
WNW
5
WSW
5
W
0
W
5
SSW
5
SSW
5
SSW
5
SW
5
W
5
W
5
W
Snow map
9
14
13
2
5
5
4
4
1
7
max °C
4
-2
-5
-9
-2
-1
-4
2
3
-5
4
4
1
3
2
-4
min °C
-2
-3
-7
-12
-5
-7
-6
0
-5
-6
1
1
1
2
-2
-8
-4
-7
-12
-15
-5
-7
-9
0
-5
-9
-1
-1
-1
1
-5
-11
94
91
85
83
65
71
86
77
75
69
56
69
96
94
85
90
1200
350
0
0
0
500
0
700
1100
0
1050
1500
1050
1100
1000
0
Sea lvl1000m2000m3000m4000m5000m
-6-12-14-15-11-10-9-6-5-6-4-3-5-5-7-111-3-6-11-4-4-51-1-633130-6
Sunrise
6:58
6:58
6:58
7:00
7:00
Sunset
4:37
4:38
4:38
4:39
4:40

Snow Radar

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Latest snow reports near Happo One:

  • 6 km away from Happo One

    2 hours ago
    Is it snowing?

    There is heavy snow falling at Tsugaike Kogen. from Tsugaike Kogen

  • 6 km away from Happo One

    2 hours ago
    Is it snowing?

    It is snowing heavily in Tsugaike Kogen. from Tsugaike Kogen

  • 24 km away from Happo One

    4 hours ago
    Is it snowing?

    Snow is falling in Togakushi. from Togakushi

  • 27 km away from Happo One

    6 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

  • 27 km away from Happo One

    7 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

Happo One Snow Conditions

Top snow depth:110cm
Bottom snow depth:45cm
Fresh snowfall depth:9cm
Last snowfall:22 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


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.