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Lat Long: 40.62° N 140.33° E
Ski Japan - Hyakuzawa

Iwakisan Hyakuzawa Snow Forecast

Weather Forecast for Iwakisan Hyakuzawa at 565m altitude

Issued: 8 am 21 Apr 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 10.0mm), heaviest on Tue morning. Mild temperatures (max 8°C on Tue night, min 3°C on Wed night). Winds decreasing (near gales from the SW on Tue night, calm by Thu night).

Days 4-6 weather summary:

Some drizzle, heaviest during Sun night. Very mild (max 15°C on Sun morning, min 2°C on Fri night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
part cloud
light rain
rain showers
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
light rain
rain shwrs
rain shwrs
some clouds
light rain
rain shwrs
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
light rain
km/h
35
W
50
WSW
45
SW
45
WSW
40
W
25
WSW
20
WSW
20
W
5
NW
5
WNW
15
NW
10
NNW
5
W
5
W
20
SW
25
SW
25
SW
15
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
6
2
1
1
1
 max °C
6
6
8
8
6
4
8
7
6
7
6
3
7
8
8
15
15
11
 min °C
4
4
5
8
5
3
7
7
5
7
4
2
5
7
6
13
13
10
-2
-2
0
3
0
-2
4
4
5
6
1
0
3
5
3
11
12
9
87
74
57
78
42
53
37
37
44
34
63
68
42
45
41
39
44
75
1050
1200
1650
1650
1350
1350
1350
1350
1550
1450
1200
1000
1200
1750
2700
2900
2900
2400
Sea lvl1000m2000m3000m4000m5000m
3457436546315671313108781184119610739107161511
Sunrise
4:52
4:50
4:48
4:48
4:46
4:45
Sunset
6:22
6:23
6:24
6:25
6:27
6:28

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)


Snow History

Week 3 of April 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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