Koshi Kogen snow
Ski Japan - Niigata

Koshi Kogen Snow Forecast

Weather Forecast for Koshi Kogen at 340 m
Issued: 2 pm  22 Oct 2025 (local time)

The snow forecast for Koshi Kogen is: Mostly dry. Very mild (max 16°C on Sat morning, min 6°C on Thu night). Wind will be generally light.

Koshi Kogen Weather (Next 3 days): The snow forecast for Koshi Kogen is: Mostly dry. Very mild (max 16°C on Sat morning, min 6°C on Thu night). Wind will be generally light.

Koshi Kogen Weather (Days 4-6): Heavy rain (total 39.0mm), heaviest during Sat night. Very mild (max 16°C on Sat afternoon, min 9°C on Mon night). Winds increasing (calm on Sat night, fresh winds from the W by Mon afternoon).


Koshi Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
10
5
cloud
Bottom Lift: 
11
5
cloud
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6 Day Forecast
Issued: 2 pm 22 Oct 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Wed
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
cloud
clear
clear
clear
clear
clear
clear
cloud
part cloud
mod rain
light rain
cloud
mod rain
light rain
rain showers
mod rain
rain showers
light rain
rain showers
cloudy
cloudy
clear
clear
clear
clear
clear
clear
cloudy
some clouds
mod. rain
light rain
cloudy
mod. rain
light rain
rain shwrs
mod. rain
rain shwrs
light rain
rain shwrs
 km/h
5
NNE
5
SE
0
NE
10
N
5
ESE
0
NNE
10
NNW
5
SE
0
SSE
0
NE
5
SE
0
NNW
0
W
5
WSW
20
W
30
W
10
W
10
W
10
WNW
0
WSW
Snow map
 cm 
 mm 
9
4
9
5
4
6
2
2
2
max°C
11
8
14
13
7
14
13
8
16
16
12
12
13
12
14
14
9
11
11
9
min°C
9
7
11
9
6
12
9
7
12
11
11
12
12
12
13
10
9
11
10
8
chill°C 
9
7
11
8
6
12
9
6
12
11
10
12
12
12
11
7
7
10
10
7
Humid% 
62
72
61
56
79
59
55
74
60
54
86
96
92
96
75
72
82
67
71
71
Freezing level (m
2350
2650
3050
2450
1900
2050
1950
2300
2900
2900
3050
3200
3250
2750
2200
2150
1650
1700
1800
1700
topliftbotliftSea lvl1000m2000m3000m4000m5000m
1081111811118131412121312131181010910813117131181414121213121412911119
Sunrise
5:58
6:00
6:01
6:01
6:03
6:03
Sunset
4:59
4:57
4:55
4:54
4:53
4:52
4:51

Snow Radar

Latest snow reports near Koshi Kogen:

No recent snow reports

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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 4 of October 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.