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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: 8 pm 15 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Mostly dry. Warm (max 22°C on Mon morning, min 10°C on Fri night). Wind will be generally light.

Days 5-7 weather summary:

Some drizzle, heaviest during Thu afternoon. Warm (max 22°C on Tue morning, min 9°C on Wed night). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
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
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
km/h
5
WNW
5
WNW
10
WNW
10
W
10
WNW
10
NW
5
SW
15
WSW
20
WSW
15
WSW
10
WSW
15
WSW
5
W
5
E
5
NE
5
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
 max °C
13
21
20
13
19
18
13
22
21
14
22
21
14
20
18
11
 min °C
10
19
16
11
17
14
11
19
16
12
19
16
13
17
14
9
10
19
16
10
17
14
11
19
15
11
19
16
13
17
14
9
71
49
50
60
60
63
81
39
26
55
41
34
61
58
61
87
4150
3900
3700
3500
3800
3950
3900
4050
4050
3850
3700
3500
3150
2950
3150
3150
Sea lvl1000m2000m3000m4000m5000m
1317161315141318171418171415141012201812181612211913211914191610
Sunrise
4:20
4:20
4:18
4:18
4:18
Sunset
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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