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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 17 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 11.0mm), heaviest on Sat morning. Very mild (max 17°C on Sat night, min 11°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 14.0mm), heaviest on Sun morning. Very mild (max 17°C on Sun morning, min 10°C on Tue night). Wind will be generally light.

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
cloud
light rain
cloud
light rain
light rain
light rain
mod rain
light rain
light rain
light rain
rain showers
clear
clear
part cloud
part cloud
clear
clear
some clouds
cloudy
light rain
cloudy
light rain
light rain
light rain
mod. rain
light rain
light rain
light rain
rain shwrs
clear
clear
some clouds
some clouds
km/h
10
ENE
10
ENE
10
E
15
E
20
E
10
ESE
10
ESE
10
ESE
20
S
15
S
10
SE
10
ESE
25
NNE
25
NNW
25
WNW
25
WNW
25
WNW
20
WNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
5
2
2
8
1
1
2
2
max °C
14
14
12
13
13
14
16
16
17
17
17
17
16
17
15
13
13
11
min °C
14
13
11
13
13
14
15
16
16
16
17
16
16
16
12
12
11
10
 chill °C
13
13
9
11
11
13
15
16
15
16
17
15
15
15
10
10
9
7
Humid %
51
73
57
70
90
94
95
91
86
96
89
96
99
94
51
61
71
59
Freeze m
3800
3850
3900
4100
4350
4300
3900
4300
4350
4400
4500
4550
4850
4850
4700
4200
3900
3800
Sea lvl1000m2000m3000m4000m5000m
141412131314161617171717161714131211181612161515171717171817181812171510
Sunrise
5:16
5:18
5:18
5:20
5:20
5:20
Sunset
5:42
5:39
5:37
5:37
5:35
5:32

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 3 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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