Happo One snow
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831 m
Issued: 8 am  23 Dec 2025 (local time)

New snow in Happo One

3.7cm1.5in
Tue 23rd (NGT)
The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Wed morning, min -10°C on Thu night). Winds increasing (light winds from the WSW on Wed night, strong winds from the NW by Thu night).

Happo One Weather (Next 3 days): The snow forecast for Happo One is: A heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 2°C on Wed morning, min -10°C on Thu night). Winds increasing (light winds from the WSW on Wed night, strong winds from the NW by Thu night).

Happo One Weather (Days 4-6): A heavy fall of snow, heaviest during Fri morning. Temperatures will be below freezing (max -5°C on Sun night, min -16°C on Fri afternoon). Winds decreasing (strong winds from the NW on Fri morning, light winds from the W by Sat morning).


Happo One Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.1m
1
10
clear
Middle Lift: 
3
5
clear
Bottom Lift: 0.5m
7
5
clear
6 Day Forecast
Issued: 8 am 23 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
snow showers
light snow
light snow
light snow
light snow
light snow
heavy snow
heavy snow
heavy snow
snow showers
cloud
cloud
light snow
mod snow
snow showers
clear
clear
clear
snow shwrs
light snow
light snow
light snow
light snow
light snow
heavy snow
heavy snow
heavy snow
snow shwrs
cloudy
cloudy
light snow
mod. snow
snow shwrs
clear
 km/h
10
SSW
10
SSW
20
SW
20
SSW
15
SW
10
WSW
10
WSW
10
WSW
15
SW
40
NW
35
WNW
25
WNW
10
WNW
5
WSW
15
WSW
20
W
10
WNW
10
W
Snow map
4
2
4
3
1
20
35
14
5
4
6
1
max °C
-1
1
1
2
2
2
1
0
-2
-11
-15
-14
-10
-10
-8
-6
-6
-5
min °C
-3
-1
-1
1
2
1
1
0
-10
-14
-16
-15
-12
-11
-10
-7
-7
-7
-6
-5
-6
-4
-2
-1
-2
-3
-22
-26
-26
-25
-18
-15
-15
-14
-12
-12
43
55
81
91
96
96
97
96
89
94
90
74
60
71
76
94
84
61
1200
1950
1900
2100
2200
2250
2050
1900
1000
250
0
0
0
300
0
700
950
0
Sea lvl1000m2000m3000m4000m5000m
-20022210-6-13-16-15-11-11-9-7-7-6443777771-4-8-11-5-5-51-2-6
Sunrise
6:56
6:58
6:58
6:58
6:58
6:58
Sunset
4:36
4:37
4:37
4:37
4:38
4:38

Snow Radar

Latest snow reports near Happo One:

No recent snow reports

No recent snow reports

Happo One Snow Conditions

Top snow depth:110cm
Bottom snow depth:45cm
Fresh snowfall depth:13cm
Last snowfall:22 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (1) / good piste (1)


Snow History

Week 4 of December has on average:
1.8
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
2.7
Powder days
Fresh snow, limited sun, any wind.
1.2
Bluebird days
Average snow, mostly sunny, light wind.