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Lat Long: 40.08° N 141.19° E
Ski Japan - Iwate

Okunakayama Kōgen Snow Forecast

Weather Forecast for Okunakayama Kogen at 1000m altitude

Issued: 2 pm 29 Apr 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 17.0mm), heaviest on Fri night. Mild temperatures (max 9°C on Thu afternoon, min 1°C on Wed night). Mainly near gales.

Days 4-6 weather summary:

Heavy rain (total 21.0mm), heaviest during Sun night. Very mild (max 12°C on Sun morning, min 7°C on Sat night). Winds decreasing (strong winds from the NW on Sat afternoon, light winds from the SSE by Sun night).

Wed
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
clear
part cloud
part cloud
cloud
cloud
light rain
heavy rain
rain showers
clear
cloud
cloud
light rain
mod rain
light rain
light rain
light rain
rain shwrs
clear
some clouds
some clouds
cloudy
cloudy
light rain
heavy rain
rain shwrs
clear
cloudy
cloudy
light rain
mod. rain
light rain
light rain
light rain
km/h
20
WNW
20
WNW
10
W
10
WSW
25
S
45
S
30
SSE
20
NW
60
NW
50
NW
30
W
25
SW
15
WSW
15
SSE
20
SSW
20
WSW
30
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
3
12
1
1
9
3
2
4
 max °C
5
3
7
9
7
9
9
8
8
8
8
12
12
9
10
10
9
 min °C
3
1
6
7
6
7
8
5
7
8
7
10
10
8
10
10
7
-2
-4
4
5
3
2
4
0
1
3
2
7
8
7
8
7
3
64
63
46
55
48
91
97
99
63
52
53
49
56
96
99
98
96
1600
1350
1950
2750
3300
2850
3050
2900
2250
2300
2500
2600
2450
2750
3300
3800
3100
Sea lvl1000m2000m3000m4000m5000m
4278789788811119101088211116109812117151310111210
Sunrise
4:37
4:35
4:33
4:33
4:31
Sunset
6:27
6:28
6:29
6:30
6:30
6:31

Snow Radar

Submit a report Eyeball Reporter

Latest snow reports near Okunakayama Kōgen:

  • 21 km away from Okunakayama Kōgen

    - APPI 14 hours ago
    Eyeball reporter

    Extremely heavy going. Cloudy this morning, clearing later. from Appi Kogen

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 History

Week 4 of April has on average:

0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.



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