comScore pixel
Koshi Kogen resort snow
Lat Long: 37.31° N 138.89° E
Ski Japan - Niigata

Koshi Kogen Snow Forecast

Weather Forecast for Koshi Kogen at 340m altitude

Issued: 8 am 07 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 36.0mm), heaviest during Mon night. Warm (max 24°C on Sun morning, min 11°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 7.0mm), mostly falling on Thu morning. Warm (max 24°C on Thu morning, min 12°C on Wed night). Wind will be generally light.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
light rain
cloud
cloud
mod rain
heavy rain
light rain
rain showers
rain showers
clear
part cloud
part cloud
rain showers
thunderstorm
rain showers
thunderstorm
rain showers
part cloud
some clouds
light rain
cloudy
cloudy
mod. rain
heavy rain
light rain
rain shwrs
rain shwrs
clear
some clouds
some clouds
rain shwrs
risk thun- der
rain shwrs
risk thun- der
rain shwrs
some clouds
km/h
5
SSE
5
S
5
SE
10
S
5
NW
5
NW
15
WNW
10
W
5
WSW
5
WNW
10
NNW
5
SE
0
NNE
5
NW
0
SSW
5
WNW
10
NW
5
SE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
2
6
21
3
2
2
1
2
1
2
1
 max °C
24
23
17
22
18
15
14
15
13
21
21
15
24
22
16
23
22
17
 min °C
23
20
17
22
16
14
14
15
11
19
17
12
21
18
14
21
19
15
23
20
17
22
16
14
13
14
11
19
17
12
21
18
14
21
19
15
62
61
79
68
93
98
93
84
90
55
51
75
59
60
76
60
53
69
3950
3950
4050
4000
4100
3350
2900
3250
3450
3500
3500
3450
3350
3450
3200
3150
3400
3250
Sea lvl1000m2000m3000m4000m5000m
222118211715141513181815212016212017242217221715141512201914232015222116
Sunrise
4:24
4:22
4:22
4:22
4:22
4:22
Sunset
7:01
7:02
7:02
7:04
7:04
7:05

Avalanche information: Japan Avalanche Network


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:12 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

Snow-Forecast Partner Offers

Snow History

Week 1 of June 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.

Map placeholder