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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 08 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 9.0mm), mostly falling on Tue afternoon. Warm (max 20°C on Tue morning, min 10°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 7.0mm), mostly falling on Sun night. Very mild (max 19°C on Sun morning, min 13°C on Fri afternoon). Wind will be generally light.

Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
Sunday
13
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
rain showers
light rain
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
light rain
cloud
clear
rain showers
cloud
part cloud
part cloud
light rain
clear
rain shwrs
light rain
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
clear
rain shwrs
cloudy
some clouds
some clouds
light rain
km/h
10
WSW
15
WSW
5
WSW
10
W
15
W
10
NNW
5
SE
5
NE
10
S
5
SW
0
NW
5
WSW
5
SW
5
NW
5
SSW
15
SSW
10
SW
25
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
3
2
2
2
1
4
max °C
20
19
18
16
14
11
14
14
13
16
13
13
17
18
16
19
19
18
min °C
18
18
16
16
13
10
12
12
11
14
13
13
15
16
14
18
18
17
 chill °C
18
18
16
16
12
9
12
12
10
14
13
13
15
16
14
18
18
16
Humid %
79
88
93
89
90
75
69
73
69
86
84
78
69
68
79
62
78
92
Freeze m
4700
4750
4700
4550
4450
4200
4050
4400
4550
4250
4100
4100
4300
4400
4550
4600
4650
4700
Sea lvl1000m2000m3000m4000m5000m
191917161411131312151313161715191918222118181611171612171414201916212018
Sunrise
5:07
5:09
5:09
5:11
5:11
5:13
Sunset
5:55
5:54
5:52
5:51
5:50
5:47

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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