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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: 2 pm 01 May 2026 (local time)

Forecast update in  hr  min

Next snow in Happo One: 4.4cm on Fri 1st  (after 9 PM)

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

A moderate fall of snow, heaviest on Fri night. Turning milder with heavy rain (total 68.0mm), heaviest during Sun night. Very mild (max 10°C on Sun night, min 1°C on Fri night). Winds increasing (light winds from the SW on Sat night, fresh winds from the SW by Sun night).

Days 4-6 weather summary:

Heavy rain (total 22.0mm), heaviest during Mon afternoon. Later becoming colder with a dusting of snow on Mon night. Very mild (max 11°C on Thu morning, min 1°C on Mon night). Wind will be generally light.

Fri
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
heavy snow
clear
clear
part cloud
cloud
mod rain
heavy rain
heavy rain
mod rain
snow showers
clear
part cloud
cloud
light rain
light rain
part cloud
mod. rain
heavy snow
clear
clear
some clouds
cloudy
mod. rain
heavy rain
heavy rain
mod. rain
snow shwrs
clear
some clouds
cloudy
light rain
light rain
some clouds
km/h
10
SW
30
W
30
WNW
15
WNW
10
WSW
15
SW
15
SSW
40
SW
20
WSW
10
WSW
20
WNW
10
NW
5
SSE
10
S
5
SSE
0
W
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
11
1
7
4
6
40
11
10
8
1
3
 max °C
7
3
7
7
7
9
7
10
7
6
2
8
9
8
9
9
7
 min °C
2
1
4
6
6
8
7
8
7
4
1
5
9
6
8
9
7
-1
-6
-1
4
4
6
4
4
3
0
-4
2
9
4
8
9
7
95
93
54
40
39
43
80
95
97
89
82
48
54
69
71
75
82
3100
2300
2450
2750
3150
3000
3250
4150
3250
2800
2050
2950
3250
3450
3150
3050
3150
Sea lvl1000m2000m3000m4000m5000m
526779797527979971171413917121314128151611171612
Sunrise
4:54
4:52
4:52
4:50
4:50
Sunset
6:36
6:37
6:37
6:38
6:38
6:39

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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