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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 1296m altitude

Issued: 8 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 20.0mm), heaviest during Tue night. Warm (max 22°C on Mon morning, min 13°C on Mon night). Wind will be generally light.

Days 5-7 weather summary:

Moderate rain (total 18.0mm), heaviest on Fri afternoon. Warm (max 22°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
clear
thunderstorm
part cloud
part cloud
light rain
heavy rain
rain showers
rain showers
rain showers
clear
thunderstorm
rain showers
cloud
thunderstorm
rain showers
rain shwrs
clear
t-storm
risk
some clouds
some clouds
light rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
clear
t-storm
risk
rain shwrs
cloudy
t-storm
risk
rain shwrs
km/h
0
NE
5
N
5
N
5
NW
5
N
10
N
5
SSW
10
SSE
10
SE
10
SSE
10
SSE
10
SE
10
SSE
5
SE
0
ENE
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
1
1
14
1
1
1
2
1
4
4
max °C
19
22
21
16
19
18
16
18
20
16
21
22
18
21
20
18
min °C
17
20
18
13
16
15
15
15
18
15
18
20
17
20
18
18
 chill °C
17
20
18
13
16
15
15
14
18
15
18
20
17
20
18
18
Humid %
92
80
76
82
64
70
97
96
66
91
70
61
88
74
79
86
Freeze m
4800
4750
4800
4800
4550
4600
4800
4800
4550
4400
4550
4550
4800
4750
4750
4750
Sea lvl1000m2000m3000m4000m5000m
1618161315141414161316181518171620262316222018202317252419252120
Sunrise
5:01
5:01
5:01
5:03
5:03
Sunset
6:45
6:45
6:44
6:43
6:40

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 2 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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