Koshi Kogen snow
Ski Japan - Niigata

Koshi Kogen Snow Forecast

Weather Forecast for Koshi Kogen at 392 m
Issued: 8 am  07 Sep 2025 (local time)

The snow forecast for Koshi Kogen is: Heavy rain (total 30.0mm), heaviest during Mon morning. Warm (max 29°C on Sun morning, min 19°C on Tue night). Wind will be generally light.

Koshi Kogen Weather (Next 3 days): The snow forecast for Koshi Kogen is: Heavy rain (total 30.0mm), heaviest during Mon morning. Warm (max 29°C on Sun morning, min 19°C on Tue night). Wind will be generally light.

Koshi Kogen Weather (Days 4-6): Heavy rain (total 64.0mm), heaviest during Wed night. Warm (max 26°C on Fri morning, min 18°C on Thu night). Wind will be generally light.


Koshi Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
26
10
clear
Bottom Lift: 
27
5
clear
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6 Day Forecast
Issued: 8 am 07 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
rain showers
rain showers
mod rain
thunderstorm
rain showers
thunderstorm
thunderstorm
light rain
light rain
mod rain
heavy rain
mod rain
thunderstorm
clear
clear
thunderstorm
part cloud
part cloud
part cloud
cloud
clear
rain shwrs
rain shwrs
mod. rain
risk thun- der
rain shwrs
risk thun- der
risk thun- der
light rain
light rain
mod. rain
heavy rain
mod. rain
risk thun- der
clear
clear
risk thun- der
some clouds
some clouds
some clouds
cloudy
 km/h
10
WSW
10
WNW
5
SSW
5
WSW
5
WSW
5
S
5
WNW
10
NW
5
NNE
0
SSE
0
NE
5
SSE
5
SSW
5
NW
5
E
0
SSW
10
N
5
SSE
5
SSE
5
S
10
S
Snow map
 cm 
 mm 
1
5
7
7
1
3
3
3
3
6
43
6
4
2
max°C
29
28
23
23
23
22
26
24
21
21
21
21
22
22
20
26
25
21
27
27
23
min°C
26
25
22
23
23
22
25
22
19
20
21
20
21
21
18
22
22
19
25
23
22
chill°C 
26
25
22
23
23
22
25
22
19
20
21
20
21
21
18
22
22
19
25
23
22
Humid% 
58
59
88
89
96
89
79
83
97
91
93
96
93
87
91
74
72
88
63
58
71
Freezing level (m
5150
5150
5050
5000
5000
4950
4900
4850
4750
4600
4550
4500
4300
4350
4250
4250
4350
4400
4650
4750
4800
topliftbotliftSea lvl1000m2000m3000m4000m5000m
272623232322252320202121212119242420262522292622232222262320202120222119252320272622
Sunrise
5:18
5:18
5:20
5:20
5:22
5:22
5:24
Sunset
6:05
6:04
6:01
6:00
5:59
5:58
5:55

Snow Radar

Latest snow reports near Koshi Kogen:

No recent snow reports

No recent snow reports

Koshi Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:30 Mar 2025
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

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Snow History

Week 1 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.