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Ski Japan - Hyakuzawa

Iwakisan Hyakuzawa Snow Forecast

Lat Long: 40.62° N 140.33° E

Weather Forecast for Iwakisan Hyakuzawa at 565m altitude

Issued: 2 am 15 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 7.0mm), mostly falling on Mon afternoon. Warm (max 21°C on Wed morning, min 15°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 10.0mm), heaviest on Thu night. Warm (max 22°C on Thu morning, min 14°C on Fri night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
thunderstorm
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
cloud
thunderstorm
light rain
rain showers
rain showers
clear
clear
clear
part cloud
light rain
t-storm
risk
some clouds
some clouds
rain shwrs
clear
clear
clear
some clouds
cloudy
t-storm
risk
light rain
rain shwrs
rain shwrs
clear
clear
clear
some clouds
km/h
0
SSE
5
NW
0
WSW
5
NW
10
NW
5
WSW
5
WSW
0
WSW
5
SSW
0
SE
0
NNW
0
NNW
10
NE
10
ENE
5
E
10
E
10
ENE
5
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
5
1
2
5
1
2
 max °C
20
18
16
20
19
16
21
21
18
22
20
17
20
20
15
21
22
16
 min °C
19
17
15
18
18
15
19
19
17
21
18
16
18
18
14
19
19
15
19
17
15
18
18
15
19
19
17
21
18
16
18
18
14
19
19
15
55
75
76
63
62
73
50
50
65
64
73
87
75
70
77
53
53
70
3350
3250
3400
3450
3650
3650
3850
4050
3950
3900
3850
3550
3600
3700
3850
3950
4150
4250
Sea lvl1000m2000m3000m4000m5000m
181615181815191917201816181815191916221915222016232218242117222115232215
Sunrise
4:07
4:07
4:07
4:07
4:07
4:07
Sunset
7:09
7:10
7:10
7:12
7:12
7:12

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Iwakisan Hyakuzawa:

No recent snow reports

No recent snow reports

Iwakisan Hyakuzawa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:11 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Hyakuzawa are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of June 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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