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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: 8 pm 02 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Moderate rain (total 18.0mm), heaviest on Mon afternoon. Warm (max 29°C on Wed afternoon, min 18°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Light rain (total 5.0mm), mostly falling on Thu afternoon. Warm (max 29°C on Thu afternoon, min 19°C on Wed night). Wind will be generally light.

Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
thunderstorm
thunderstorm
part cloud
rain showers
rain showers
clear
clear
rain showers
part cloud
clear
thunderstorm
part cloud
part cloud
rain showers
part cloud
some clouds
t-storm
risk
t-storm
risk
some clouds
rain shwrs
rain shwrs
clear
clear
rain shwrs
some clouds
clear
t-storm
risk
some clouds
some clouds
rain shwrs
some clouds
km/h
5
S
0
WNW
0
NNE
5
S
0
ENE
5
ESE
10
S
0
SE
5
ESE
10
S
5
SSE
5
SE
10
SSE
10
SSE
10
SE
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
6
8
1
2
1
1
2
max °C
22
26
26
21
26
28
19
28
29
20
28
29
21
27
26
20
min °C
21
25
24
20
24
24
18
25
24
19
25
25
20
24
24
19
 chill °C
21
25
24
20
24
24
18
25
24
19
25
25
20
24
24
19
Humid %
89
86
87
95
86
65
87
68
51
92
76
61
95
81
68
94
Freeze m
5550
5550
5600
5600
5550
5650
5650
5600
5500
5500
5400
5350
5350
5350
5200
5300
Sea lvl1000m2000m3000m4000m5000m
1819191718201719201719201718191622262521252619272720272721262520
Sunrise
4:54
4:56
4:56
4:56
4:58
Sunset
6:52
6:52
6:51
6:50
6:49

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


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)

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Snow History

Week 1 of August 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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