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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 760m altitude

Issued: 2 am 21 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 92.0mm), heaviest during Sat night. Very mild (max 19°C on Thu afternoon, min 11°C on Sat night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 14.0mm), heaviest on Sun morning. Warm (max 24°C on Mon morning, min 12°C on Sun morning). Wind will be generally light.

Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
heavy rain
heavy rain
light rain
light rain
part cloud
cloud
light rain
heavy rain
mod rain
rain showers
part cloud
clear
part cloud
part cloud
part cloud
light rain
light rain
heavy rain
heavy rain
heavy rain
light rain
light rain
some clouds
cloudy
light rain
heavy rain
mod. rain
rain shwrs
some clouds
clear
some clouds
some clouds
some clouds
light rain
light rain
km/h
10
S
5
W
5
WSW
0
SSW
0
ESE
5
S
5
SSE
5
SSE
10
SSE
10
SSE
5
S
5
NW
5
NNE
5
E
5
S
5
SSE
5
SE
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
30
11
19
3
2
2
25
6
2
3
3
 max °C
18
19
17
16
15
13
18
16
12
14
17
14
24
24
16
23
21
17
 min °C
17
18
16
15
14
12
16
14
11
12
15
13
21
20
15
20
19
16
17
18
16
15
14
12
16
14
10
11
15
13
21
20
15
20
19
16
97
97
98
95
96
97
85
86
94
95
88
86
59
53
78
75
77
92
4350
4150
4000
3650
3750
4250
4100
3850
3600
3750
3800
4000
4400
4600
4600
4600
4400
4450
Sea lvl1000m2000m3000m4000m5000m
1213111099109781010151613151412181917161513171512131614232216222017
Sunrise
4:37
4:35
4:35
4:35
4:33
4:33
Sunset
6:52
6:53
6:53
6:54
6:55
6:57

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 3 of May has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.

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