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Ski Japan - Iwate

Okunakayama Kōgen Snow Forecast

40.08° N 141.19° E

Weather Forecast for Okunakayama Kōgen at 800m altitude

Issued:
2 pm 02 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 72.0mm), heaviest during Thu morning. Warm (max 21°C on Wed afternoon, min 13°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 3.0mm), mostly falling on Sat afternoon. Very mild (max 19°C on Sun afternoon, min 12°C on Sat night). Wind will be generally light.

Wed
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
heavy rain
light rain
rain showers
part cloud
rain showers
part cloud
rain showers
rain showers
clear
clear
clear
part cloud
cloud
cloud
part cloud
t-storm
risk
t-storm
risk
heavy rain
light rain
rain shwrs
some clouds
rain shwrs
some clouds
rain shwrs
rain shwrs
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
km/h
20
WSW
10
WSW
20
NW
20
WSW
20
W
15
WNW
10
NW
0
WSW
5
NE
10
NE
10
E
15
SE
15
SSE
20
SSE
25
SSE
20
SSE
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
14
48
4
1
1
2
2
max °C
21
20
18
18
17
18
18
14
16
14
13
18
19
14
17
17
18
min °C
20
18
17
17
15
16
16
13
14
13
12
16
15
13
16
16
15
 chill °C
20
18
16
16
14
15
16
13
14
12
11
15
14
11
15
15
14
Humid %
86
81
87
88
87
77
68
94
87
87
74
33
46
59
65
74
90
Freeze m
4550
4450
3950
4050
4000
3550
3550
3750
3650
3850
4150
4300
4550
4600
4500
4550
4800
Sea lvl1000m2000m3000m4000m5000m
20181717151616131413121616131516172219171816201914171512201712181815
Sunrise
5:03
5:03
5:05
5:05
5:07
Sunset
6:06
6:04
6:02
6:00
6:00
5:58

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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