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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:
8 am 11 Sep 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 morning. Very mild (max 18°C on Sun morning, min 13°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 28.0mm), heaviest during Mon afternoon. Very mild (max 18°C on Mon morning, min 14°C on Mon night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
Monday
14
Tuesday
15
Wednesday
16
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
clear
part cloud
cloud
cloud
part cloud
part cloud
part cloud
rain showers
mod rain
mod rain
light rain
light rain
light rain
light rain
cloud
light rain
cloud
light rain
clear
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
rain shwrs
mod. rain
mod. rain
light rain
light rain
light rain
light rain
cloudy
light rain
cloudy
km/h
10
WNW
15
W
10
WSW
5
W
5
NW
5
SSE
15
SSW
10
SW
20
SW
20
SW
20
WSW
15
W
10
W
5
WSW
5
SW
5
WNW
5
WNW
5
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
1
9
8
3
3
2
1
2
max °C
14
15
13
17
17
15
18
18
17
18
17
16
14
14
14
16
16
15
min °C
14
14
13
16
16
14
17
17
17
17
17
14
14
14
14
15
15
14
 chill °C
14
14
12
16
16
14
16
17
17
16
16
13
14
14
14
15
15
14
Humid %
63
63
67
32
46
58
65
82
89
98
85
67
88
92
99
91
87
89
Freeze m
3400
3750
4050
4050
4250
4300
4400
4400
4400
4450
4450
4250
4050
4150
4150
4150
4250
4250
Sea lvl1000m2000m3000m4000m5000m
141513171715181817181715141414161615161612201914211917191916151515181715
Sunrise
5:11
5:11
5:13
5:13
5:15
5:16
Sunset
5:51
5:50
5:47
5:46
5:45
5:43

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 2 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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