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Ski Japan - Hyakuzawa

Iwakisan Hyakuzawa Snow Forecast

Weather Forecast for Iwakisan Hyakuzawa at 784 m
Issued: 2 pm  18 Sep 2025 (local time)

The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 35.0mm), heaviest during Sat afternoon. Very mild (max 15°C on Fri morning, min 11°C on Sat night). Winds increasing (calm on Fri afternoon, strong winds from the NW by Sun morning).

Iwakisan Hyakuzawa Weather (Next 3 days): The snow forecast for Iwakisan Hyakuzawa is: Heavy rain (total 35.0mm), heaviest during Sat afternoon. Very mild (max 15°C on Fri morning, min 11°C on Sat night). Winds increasing (calm on Fri afternoon, strong winds from the NW by Sun morning).

Iwakisan Hyakuzawa Weather (Days 4-6): Some drizzle, heaviest during Mon afternoon. Very mild (max 16°C on Tue afternoon, min 10°C on Sun night). Winds decreasing (fresh winds from the NW on Sun afternoon, calm by Tue morning).


Iwakisan Hyakuzawa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
12
20
part cloud
Middle Lift: 
14
15
part cloud
Bottom Lift: 
15
15
part cloud
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6 Day Forecast
Issued: 2 pm 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
clear
part cloud
cloud
light rain
heavy rain
mod rain
rain showers
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
part cloud
part cloud
part cloud
light rain
some clouds
clear
clear
some clouds
cloudy
light rain
heavy rain
mod. rain
rain shwrs
some clouds
some clouds
some clouds
rain shwrs
clear
clear
clear
some clouds
some clouds
some clouds
light rain
 km/h
20
NW
10
NW
5
NNE
5
NE
10
S
5
SSE
10
SE
20
W
30
NW
35
NW
10
NW
5
NW
10
WNW
5
SW
0
SSE
0
E
5
SSW
5
ESE
10
SE
10
SSW
Snow map
 cm 
 mm 
1
21
10
3
1
5
max°C
14
12
15
15
13
14
13
13
12
12
11
14
14
12
15
16
13
16
16
15
min°C
12
12
14
13
13
13
12
11
11
11
10
13
13
11
14
14
12
15
15
13
chill°C 
10
10
14
13
12
12
11
8
8
8
9
13
12
11
14
14
12
15
15
12
Humid% 
72
64
46
54
62
58
98
96
89
78
87
69
72
68
50
59
83
54
57
61
Freezing level (m
3450
3250
3350
3550
3700
3050
3900
3350
3050
2700
2650
2650
3000
3250
3350
3350
3500
3650
3750
3500
topliftbotliftSea lvl1000m2000m3000m4000m5000m
13121514131413121212111414121515131616141713181714151314161613181613191713191815
Sunrise
5:22
5:22
5:24
5:24
5:26
5:26
Sunset
5:43
5:42
5:39
5:37
5:37
5:35
5:32

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:15 Apr 2025
Snow AlertsCreate Alert
Other resorts in Japan - Hyakuzawa are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September 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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