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Happo One resort snow
Lat Long: 36.70° N 137.84° E
Ski Japan - Nagano

Happo One Snow Forecast

Weather Forecast for Happo One at 1831m altitude

Issued: 8 pm 30 Apr 2026 (local time)

Forecast update in  hr  min

Next snow in Happo One: 3.7cm on Fri 1st  (after 9 PM)

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 19.0mm), heaviest on Fri afternoon giving way to a moderate fall of snow, heaviest on Fri night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Mainly fresh winds.

Days 5-7 weather summary:

Heavy rain (total 76.0mm), heaviest during Mon morning. Later becoming colder with a dusting of snow on Tue morning. Very mild (max 11°C on Wed morning, min 2°C on Mon night). Winds decreasing (fresh winds from the SW on Sun night, calm by Wed afternoon).

Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
rain showers
mod rain
heavy snow
clear
clear
part cloud
cloud
light rain
heavy rain
heavy rain
rain showers
heavy rain
snow showers
clear
clear
mod. rain
rain shwrs
mod. rain
heavy snow
clear
clear
some clouds
cloudy
light rain
heavy rain
heavy rain
rain shwrs
heavy rain
snow shwrs
clear
clear
km/h
10
S
20
S
10
SW
25
W
25
WNW
15
WNW
10
WSW
10
SSW
15
SW
30
SW
5
WSW
20
WSW
20
W
15
WNW
10
WNW
5
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
10
3
7
2
9
1
26
25
6
16
1
 max °C
5
7
7
2
6
6
7
10
10
9
8
6
5
3
5
6
 min °C
4
7
2
1
3
6
5
8
7
7
7
6
2
2
5
5
1
4
-1
-5
-2
3
3
6
4
3
5
2
-2
-2
3
4
96
95
95
86
61
40
39
39
54
94
97
93
93
95
57
45
3250
3600
3050
2100
2350
2650
3050
3000
2900
4100
3800
2900
2400
2050
2700
3250
Sea lvl1000m2000m3000m4000m5000m
5752566998864356912117131391815121313109138
Sunrise
4:54
4:54
4:52
4:52
4:50
Sunset
6:36
6:37
6:37
6:38
6:38

Snow Radar

Latest snow reports near Happo One:

No recent snow reports

No recent snow reports

Happo One Snow Conditions

Top snow depth:0cm
Bottom snow depth:0cm
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 1 of May has on average:

0.2
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.1
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.

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