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Ski Japan - Yamagata

Omoshiroyama Kōgen Ski Park Snow Forecast

Weather Forecast for Omoshiroyama Kogen Ski Park at 680 m
Issued: 2 am  17 Sep 2025 (local time)

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The snow forecast for Omoshiroyama Kōgen Ski Park is: Heavy rain (total 35.0mm), heaviest during Thu morning. Warm (max 24°C on Wed morning, min 13°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, calm by Fri morning).

Omoshiroyama Kōgen Ski Park Weather (Next 3 days): The snow forecast for Omoshiroyama Kōgen Ski Park is: Heavy rain (total 35.0mm), heaviest during Thu morning. Warm (max 24°C on Wed morning, min 13°C on Thu night). Winds decreasing (fresh winds from the WSW on Wed night, calm by Fri morning).

Omoshiroyama Kōgen Ski Park Weather (Days 4-6): Heavy rain (total 26.0mm), heaviest during Sat afternoon. Very mild (max 17°C on Sun morning, min 13°C on Sat morning). Wind will be generally light.


Omoshiroyama Kōgen Ski Park Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
21
25
part cloud
Middle Lift: 
21
20
part cloud
Bottom Lift: 
20
15
part cloud
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6 Day Forecast
Issued: 2 am 17 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
rain showers
heavy rain
mod rain
part cloud
part cloud
cloud
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
light rain
light rain
risk thun- der
risk thun- der
rain shwrs
heavy rain
mod. rain
some clouds
some clouds
cloudy
light rain
light rain
mod. rain
light rain
light rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
light rain
light rain
 km/h
25
W
25
W
25
WSW
15
W
15
WNW
10
NW
0
NNW
5
ESE
10
SE
10
ESE
15
ESE
15
WNW
10
NNW
5
SE
5
SSE
5
SSW
0
E
5
SE
10
ESE
10
ESE
10
SE
Snow map
 cm 
 mm 
2
1
1
21
8
2
5
8
4
1
3
1
1
2
1
2
2
2
max°C
24
24
21
19
16
15
18
17
14
13
13
14
17
15
13
16
16
14
16
15
14
min°C
22
22
21
17
15
13
15
15
14
13
13
13
15
14
13
15
14
13
14
14
13
chill°C 
22
22
21
16
14
12
15
15
13
12
12
12
15
14
12
15
14
13
14
13
12
Humid% 
89
79
90
97
98
74
58
74
92
97
97
97
90
92
95
83
80
94
91
85
96
Freezing level (m
4850
4800
4800
4550
4450
3850
3900
4100
4000
3800
4150
4100
3600
3400
3350
3250
3300
3300
3300
3250
3250
topliftbotliftSea lvl1000m2000m3000m4000m5000m
212220171513151413121213141312141412131312252421191714191715141414181514181614171614
Sunrise
5:20
5:20
5:22
5:22
5:24
5:24
5:24
Sunset
5:44
5:42
5:40
5:38
5:37
5:36
5:34
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Snow Radar

Latest snow reports near Omoshiroyama Kōgen Ski Park:

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Omoshiroyama Kōgen Ski Park Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:15 Apr 2025
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Other resorts in Japan - Yamagata are reporting: powder (0) / good piste (0)

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Snow History

Week 3 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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