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Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831 m
Issued: 8 pm  31 Mar 2026 (local time)

New snow in Happo One

14.8cm5in
Wed 1st (NGT)
The snow forecast for Happo One is: Mild at first with light rain (total 8.0mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 7°C on Tue night, min -4°C on Thu afternoon). 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 8.0mm) on Wed afternoon followed by colder weather and light fall of snow, heaviest on Wed night. Freeze-thaw conditions (max 7°C on Tue night, min -4°C on Thu afternoon). Wind will be generally light.

Happo One Weather (Days 4-6): A dusting of snow giving way to moderate rain (total 13.0mm) heaviest on Sat afternoon. Mild temperatures (max 8°C on Mon morning, min 1°C on Fri night). Winds decreasing (strong winds from the SSW on Sat afternoon, light winds from the W by Sun afternoon).


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.6m
6
20
light rain
Middle Lift: 
8
10
light rain
Bottom Lift: 0.25m
11
10
light rain
6 Day Forecast
Issued: 8 pm 31 Mar 2026 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
light rain
heavy snow
light snow
light snow
part cloud
clear
clear
part cloud
light rain
light snow
rain showers
part cloud
part cloud
part cloud
light rain
light rain
light rain
heavy snow
light snow
light snow
some clouds
clear
clear
some clouds
light rain
light snow
rain shwrs
some clouds
some clouds
some clouds
 km/h
20
W
5
SSE
10
S
10
SSW
10
NW
15
NW
15
NW
10
NW
5
WNW
10
S
15
S
25
S
30
SSW
10
W
5
W
10
SSW
Snow map
14
4
1
2
3
1
4
1
5
5
max °C
7
4
3
2
-1
-3
-3
2
3
2
3
3
5
7
6
5
min °C
3
4
3
0
-3
-4
-4
0
2
1
2
1
4
5
5
5
1
3
1
-2
-8
-9
-9
-4
2
-3
-2
-5
-2
2
3
3
76
72
91
98
98
90
76
56
52
56
58
97
94
74
78
56
3150
3400
2500
2150
1550
1350
1050
1750
2200
2450
2500
2200
3200
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3100
Sea lvl1000m2000m3000m4000m5000m
5431-2-4-413232566510109754110105107914129
Sunrise
5:35
5:33
5:31
5:31
5:28
Sunset
6:09
6:10
6:10
6:12
6:13

Snow Radar

Latest snow reports near Happo One:

No recent snow reports

No recent snow reports

Happo One Snow Conditions

Top snow depth:160cm
Bottom snow depth:25cm
Fresh snowfall depth:
Last snowfall:25 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 1 of April has on average:
0.8
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.0
Powder days
Fresh snow, limited sun, any wind.
0.7
Bluebird days
Average snow, mostly sunny, light wind.

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