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Ski Japan - Iwate

Okunakayama Kōgen Snow Forecast

Lat Long: 40.08° N 141.19° E

Weather Forecast for Okunakayama Kogen at 1000m altitude

Issued: 8 pm 20 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 135.0mm), heaviest during Sun morning. Very mild (max 14°C on Sat night, min 8°C on Mon night). Winds decreasing (near gales from the SE on Sun morning, calm by Mon night).

Days 5-7 weather summary:

Light rain (total 8.0mm), mostly falling on Fri afternoon. Very mild (max 17°C on Thu afternoon, min 8°C on Tue night). Mainly fresh winds.

Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
mod rain
rain showers
clear
clear
part cloud
clear
clear
part cloud
light rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
heavy rain
light rain
mod. rain
rain shwrs
clear
clear
some clouds
clear
clear
some clouds
km/h
30
S
35
SE
40
SE
35
ESE
50
E
35
E
10
E
5
NW
5
NW
10
W
5
WNW
15
NW
10
SW
10
SSW
10
SSW
20
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
20
18
31
21
19
16
1
6
3
max °C
14
13
12
11
10
9
9
11
10
9
13
14
12
16
17
16
min °C
13
13
12
11
9
9
8
10
9
8
10
12
11
14
16
15
 chill °C
10
10
9
7
4
5
5
10
8
6
9
11
11
14
16
14
Humid %
95
97
97
98
98
96
94
84
94
94
81
57
85
53
60
67
Freeze m
4100
3850
3950
3650
3200
3000
2700
2650
2750
2700
2900
3050
3400
3750
3900
3950
Sea lvl1000m2000m3000m4000m5000m
1413121110991110912131215171615141313121110141210171711202016
Sunrise
4:05
4:05
4:05
4:05
4:07
Sunset
7:07
7:07
7:07
7:07
7:07

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 June 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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