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Lat Long: 38.33° N 140.50° E
Ski Japan - Yamagata

Omoshiroyama Kōgen Ski Park Snow Forecast

Weather Forecast for Omoshiroyama Kogen Ski Park at 680m altitude

Issued: 2 pm 09 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 43.0mm), heaviest during Tue afternoon. Warm (max 23°C on Sun afternoon, min 17°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the NW by Tue afternoon).

Days 4-6 weather summary:

Heavy rain (total 112.0mm), heaviest during Fri afternoon. Warm (max 22°C on Thu morning, min 19°C on Fri night). Winds increasing (light winds from the ESE on Wed night, strong winds from the E by Fri afternoon).

Sun
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
light rain
thunderstorm
light rain
light rain
light rain
heavy rain
mod rain
light rain
thunderstorm
light rain
thunderstorm
thunderstorm
light rain
heavy rain
heavy rain
heavy rain
t-storm
risk
light rain
t-storm
risk
light rain
light rain
light rain
heavy rain
mod. rain
light rain
t-storm
risk
light rain
t-storm
risk
t-storm
risk
light rain
heavy rain
heavy rain
heavy rain
km/h
5
ESE
0
ESE
0
ENE
5
NE
5
ENE
15
N
30
NW
25
SE
25
SE
25
ESE
20
ESE
20
ESE
20
ESE
20
ESE
30
E
30
E
30
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
4
1
2
2
1
4
19
8
2
2
4
2
2
4
18
44
34
max °C
23
21
22
20
18
17
18
19
21
21
20
22
22
20
20
21
21
min °C
22
20
21
18
17
17
17
18
19
20
20
21
21
20
20
20
19
 chill °C
22
20
21
18
17
17
16
17
18
20
20
21
21
20
20
20
19
Humid %
86
97
84
89
90
96
98
98
88
88
98
88
91
98
98
98
98
Freeze m
4650
4500
4650
4350
4000
4550
5250
4800
4800
4750
4600
4750
4900
4950
4900
5000
4950
Sea lvl1000m2000m3000m4000m5000m
22192018171617181920192020191920192420252117171819222220242221212121
Sunrise
4:47
4:48
4:48
4:50
4:50
Sunset
6:39
6:37
6:37
6:36
6:35
6:34

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Omoshiroyama Kōgen Ski Park:

No recent snow reports

No recent snow reports

Omoshiroyama Kōgen Ski Park Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 2 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)

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Snow History

Week 2 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.


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