comScore pixel
snowy resort
Ski Japan - Iwate

Okunakayama Kōgen Snow Forecast

40.08° N 141.19° E
1000m altitude
Issued:
8 pm 14 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Mostly dry. Warm (max 21°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

Days 5-7 weather summary:

Light rain (total 9.0mm), mostly falling on Tue night. Warm (max 23°C on Wed afternoon, min 19°C on Mon night). Wind will be generally light.

Saturday
15
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
rain showers
rain showers
clear
thunderstorm
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
rain shwrs
rain shwrs
clear
t-storm
risk
clear
km/h
15
S
15
S
15
S
15
S
15
S
15
S
15
S
15
SSW
15
SSW
10
S
10
SSW
15
SSW
15
S
5
SSW
10
SSW
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
5
1
max °C
20
20
21
19
20
21
19
21
20
19
20
21
20
22
23
20
min °C
19
20
20
18
20
20
18
20
20
19
20
20
20
22
21
20
 chill °C
19
20
20
18
20
20
18
20
20
19
20
20
20
22
21
20
Humid %
85
78
80
66
50
67
51
49
68
77
74
80
74
68
78
84
Freeze m
4800
4750
4800
4750
4800
4900
5050
5050
5100
5000
4950
4850
4700
4800
5050
4950
Sea lvl1000m2000m3000m4000m5000m
2020211920211921201920212022222020242318232317232119212420252521
Sunrise
4:45
4:46
4:47
4:48
4:48
Sunset
6:32
6:30
6:30
6:29
6:27

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

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)

Snow-Forecast Partner Offers

Snow History

Week 3 of August 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.


Snow-Forecast Partner Offers


Map placeholder