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Ski Japan

Iwanai Resort Snow Forecast

Lat Long: 42.95° N 140.51° E

Weather Forecast for Iwanai Resort at 1164m altitude

Issued: 2 pm 18 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 2.0mm), mostly falling on Fri afternoon. Very mild (max 17°C on Thu afternoon, min 11°C on Sun morning). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 3.0mm), mostly falling on Mon morning. Very mild (max 11°C on Sun afternoon, min 7°C on Tue night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
light rain
light rain
cloud
cloud
cloud
clear
some clouds
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
light rain
light rain
cloudy
cloudy
cloudy
clear
km/h
10
SSE
10
SSE
5
ESE
5
SE
10
ESE
10
SE
15
SE
20
SE
25
SE
20
SE
20
SE
15
SE
20
ESE
10
ESE
5
ENE
5
NNE
5
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
1
2
max °C
17
15
14
13
13
14
13
12
12
11
11
9
9
8
8
8
8
min °C
16
13
13
13
12
13
13
12
11
11
9
9
9
8
8
8
7
 chill °C
15
12
13
13
11
12
12
10
8
8
7
7
6
6
7
8
7
Humid %
57
46
66
91
86
76
81
53
63
76
73
89
86
96
94
92
94
Freeze m
3500
3500
3500
3500
3550
3500
3650
3650
3600
3550
3350
3100
2950
2750
2700
2800
3000
Sea lvl1000m2000m3000m4000m5000m
17141413131413121211109988882115201815211813191813141411131310
Sunrise
3:58
3:58
3:58
3:59
3:59
Sunset
7:19
7:19
7:19
7:20
7:20
7:20

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Iwanai Resort:

No recent snow reports

No recent snow reports

Iwanai Resort Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 4 May 2026
Snow AlertsCreate Alert
Other resorts in Japan are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of June 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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