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Ski Japan - Iwate

Okunakayama Kōgen Snow Forecast

40.08° N 141.19° E

Weather Forecast for Okunakayama Kōgen at 1000m altitude

Issued:
2 am 05 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 69.0mm), heaviest during Mon afternoon. Very mild (max 17°C on Sun afternoon, min 12°C on Sat night). Winds increasing (calm on Sat morning, gales from the ENE by Mon afternoon).

Days 4-6 weather summary:

Some drizzle, heaviest during Wed afternoon. Very mild (max 18°C on Wed morning, min 10°C on Wed night). Wind will be generally light.

Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
clear
clear
part cloud
part cloud
light rain
heavy rain
mod rain
clear
clear
clear
clear
rain showers
clear
part cloud
cloud
part cloud
rain shwrs
rain shwrs
clear
clear
some clouds
some clouds
light rain
heavy rain
mod. rain
clear
clear
clear
clear
rain shwrs
clear
some clouds
cloudy
some clouds
km/h
0
NNE
10
NNE
5
E
15
ESE
15
SE
25
SSE
35
SE
50
E
25
NNW
25
WNW
15
W
10
SW
10
WNW
15
W
20
NW
10
NNE
0
ESE
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
1
5
54
8
1
max °C
15
14
13
16
17
14
14
14
14
16
17
15
18
17
12
13
14
13
min °C
13
13
12
14
15
14
13
13
12
15
16
15
17
14
10
12
12
12
 chill °C
13
12
12
13
14
12
10
10
10
13
16
15
17
13
8
11
11
11
Humid %
84
83
72
58
62
56
93
98
99
75
76
70
58
75
62
41
57
59
Freeze m
3550
3500
3800
4200
4350
4550
4600
4850
5250
4850
4900
4900
4850
4500
4200
4200
4200
4500
Sea lvl1000m2000m3000m4000m5000m
141413151614141413161715181611131313181713201814161615201914221812161612
Sunrise
5:05
5:05
5:07
5:07
5:09
5:09
Sunset
6:00
6:00
5:58
5:55
5:54
5:52

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Okunakayama Kōgen:

No recent snow reports

No recent snow reports

Okunakayama Kōgen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:11 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Iwate are reporting: powder (0) / good piste (0)

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Snow History

Week 1 of September 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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