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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 346m altitude

Issued: 2 am 15 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Mostly dry. Warm (max 21°C on Sat morning, min 10°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Mostly dry. Warm (max 21°C on Mon morning, min 9°C on Wed night). Wind will be generally light.

Friday
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
cloud
cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
cloudy
cloudy
clear
clear
some clouds
km/h
5
W
5
WNW
5
W
5
WNW
10
WNW
10
W
5
WNW
5
NW
0
W
10
W
20
WSW
15
SW
20
WSW
20
W
10
WNW
5
N
10
NNE
5
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
 max °C
20
19
13
21
20
13
19
17
13
21
21
14
21
19
13
19
18
11
 min °C
17
14
10
19
16
11
17
14
10
18
16
12
20
15
11
16
13
9
17
14
10
19
16
10
17
14
10
18
16
10
20
14
11
16
13
9
49
47
62
37
45
55
57
68
83
44
26
44
39
51
90
69
56
78
3800
3950
4100
3950
3800
3650
3700
3950
3800
3800
3900
3850
3550
3200
3100
3000
3100
3450
Sea lvl1000m2000m3000m4000m5000m
151513171613151412171714171511131311191712201812181612201913211712181610
Sunrise
4:22
4:20
4:20
4:18
4:18
4:18
Sunset
6:47
6:47
6:49
6:50
6:51
6:52

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 May 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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