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Marunuma Kogen resort snow
Lat Long: 36.81° N 139.34° E
Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1695m altitude

Issued: 8 pm 23 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Light rain (total 4.0mm), mostly falling on Sat night. Very mild (max 15°C on Mon morning, min 5°C on Sat night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 21.0mm), heaviest during Thu afternoon. Very mild (max 15°C on Fri morning, min 10°C on Tue night). Wind will be generally light.

Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
cloud
cloud
part cloud
clear
rain showers
cloud
cloud
light rain
cloud
light rain
light rain
rain showers
rain showers
light rain
light rain
light rain
cloudy
cloudy
some clouds
clear
rain shwrs
cloudy
cloudy
light rain
cloudy
light rain
light rain
rain shwrs
rain shwrs
light rain
light rain
km/h
15
S
10
SSW
10
SW
10
WSW
5
NNW
5
WNW
5
SW
5
S
5
S
5
SW
5
SSE
10
SSE
15
S
15
S
15
SSW
20
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
1
2
1
2
3
2
4
5
 max °C
6
9
10
10
15
15
11
13
12
10
12
13
11
12
12
14
 min °C
5
7
8
8
13
13
10
11
11
10
12
12
10
12
12
12
2
5
7
7
13
13
10
10
10
9
12
11
8
10
10
10
97
95
87
88
50
55
89
78
81
94
89
81
89
76
98
94
3500
3600
3650
3450
3800
3700
4200
4200
4100
3900
3800
4100
4100
4500
4750
4800
Sea lvl1000m2000m3000m4000m5000m
5788121210111191011101112136101110171611141311141411141213
Sunrise
4:28
4:28
4:28
4:26
4:26
Sunset
6:50
6:50
6:51
6:52
6:52

Snow Radar

Latest snow reports near Marunuma Kogen:

No recent snow reports

No recent snow reports

Marunuma Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 9 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 4 of May 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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