comScore pixel
snowy resort
Lat Long: 40.62° N 140.33° E
Ski Japan - Hyakuzawa

Iwakisan Hyakuzawa Snow Forecast

Weather Forecast for Iwakisan Hyakuzawa at 784m altitude

Issued: 2 pm 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. Very mild (max 18°C on Mon morning, min 11°C on Sun night). Winds increasing (light winds from the W on Fri night, fresh winds from the WSW by Mon morning).

Days 4-6 weather summary:

Mostly dry. Very mild (max 18°C on Mon afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the WSW on Mon afternoon, light winds from the NE by Wed night).

Fri
15
Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
clear
some clouds
some clouds
cloudy
cloudy
clear
clear
clear
km/h
5
WNW
10
W
10
WNW
10
W
15
W
10
WNW
10
WNW
15
WNW
25
W
35
WSW
25
WSW
25
WSW
35
WSW
15
WNW
20
WNW
10
NNW
5
NE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
 max °C
15
13
17
17
13
15
15
13
18
18
14
18
17
12
12
12
9
 min °C
14
12
16
15
12
14
13
11
16
15
13
17
14
10
11
11
8
14
12
16
14
10
13
12
9
15
13
11
16
12
8
9
10
7
50
57
49
53
57
66
63
80
32
29
51
39
47
86
75
56
65
4000
4150
3950
3800
3600
3800
3900
3700
3950
4000
3800
3600
3300
3250
3000
2950
3100
Sea lvl1000m2000m3000m4000m5000m
151317161315141217171418161112129161220181218161220181321181216159
Sunrise
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.



Snow-Forecast Partner Offers
Map placeholder