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snowy resort
Ski Japan - Niigata

Hakkai Sanroku Snow Forecast

37.11° N 138.98° E
420m altitude
Issued:
2 pm 22 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 13.0mm), heaviest on Sat afternoon. Warm (max 29°C on Mon morning, min 22°C on Sat night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 66.0mm), heaviest during Thu night. Warm (max 31°C on Wed morning, min 20°C on Thu night). Wind will be generally light.

Sat
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
part cloud
rain showers
thunderstorm
rain showers
clear
rain showers
clear
clear
rain showers
rain showers
part cloud
thunderstorm
rain showers
mod rain
light rain
heavy rain
t-storm
risk
some clouds
rain shwrs
t-storm
risk
rain shwrs
clear
rain shwrs
clear
clear
rain shwrs
rain shwrs
some clouds
t-storm
risk
rain shwrs
mod. rain
light rain
heavy rain
km/h
5
NW
5
SE
0
WNW
5
NW
5
SSE
5
NW
10
NW
5
SSE
5
NW
5
NNW
5
SSE
5
S
10
NW
5
SE
0
NNE
5
E
5
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
4
2
4
2
1
1
2
3
11
7
5
25
max °C
24
22
27
25
24
29
29
24
29
29
25
31
29
24
24
23
22
min °C
24
22
26
24
23
26
26
24
27
26
24
29
26
22
23
23
20
 chill °C
24
22
26
24
23
26
26
24
27
26
24
29
26
22
23
23
20
Humid %
87
80
66
80
86
69
59
80
68
60
85
65
66
87
92
90
89
Freeze m
4700
4600
4800
4750
4900
5050
5100
5100
5000
5050
5100
5200
4950
4850
4700
4750
4650
Sea lvl1000m2000m3000m4000m5000m
24222725242828242828253028232423212521292523302923312923332823242321
Sunrise
5:05
5:07
5:07
5:09
5:09
Sunset
6:27
6:25
6:24
6:22
6:22
6:20

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Hakkai Sanroku:

No recent snow reports

No recent snow reports

Hakkai Sanroku Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:20 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

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Snow History

Week 4 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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