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Ski Japan - Yamagata

Omoshiroyama Kōgen Ski Park Snow Forecast

38.33° N 140.50° E
460m altitude
Issued:
8 am 25 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 40.0mm), heaviest during Thu morning. Warm (max 29°C on Tue morning, min 17°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 18.0mm), heaviest on Sat night. Warm (max 24°C on Fri afternoon, min 15°C on Fri night). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
clear
rain showers
thunderstorm
mod rain
heavy rain
mod rain
part cloud
light rain
rain showers
cloud
cloud
cloud
heavy rain
light rain
light rain
cloud
rain shwrs
t-storm
risk
clear
rain shwrs
t-storm
risk
mod. rain
heavy rain
mod. rain
some clouds
light rain
rain shwrs
cloudy
cloudy
cloudy
heavy rain
light rain
light rain
cloudy
km/h
15
W
20
WSW
20
W
15
W
10
W
10
W
5
W
5
NW
5
W
15
W
10
WNW
5
W
0
SSE
5
SE
10
SE
5
SE
5
S
10
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
1
4
9
17
6
1
1
11
4
1
max °C
29
28
23
27
24
21
20
19
18
22
24
17
24
22
19
19
20
21
min °C
27
24
21
26
23
19
19
18
17
22
19
15
22
18
18
19
19
19
 chill °C
27
24
21
26
23
19
19
18
17
22
19
15
22
18
18
19
19
19
Humid %
64
72
88
76
79
89
94
95
91
86
74
78
56
75
99
98
95
96
Freeze m
5000
4900
4950
4850
4700
4700
4450
4400
4400
4250
4350
4550
4650
4750
4800
4900
5000
5150
Sea lvl1000m2000m3000m4000m5000m
252321232220181717191917191817181920282622272420201918222216232019192020
Sunrise
5:00
5:01
5:01
5:03
5:03
5:03
Sunset
6:19
6:16
6:15
6:14
6:13
6:10

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

Popular Omoshiroyama Kōgen Ski Park Pages

Snow Radar

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 4 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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