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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 1390m altitude

Issued: 2 pm 06 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 Sun night. Very mild (max 15°C on Mon afternoon, min 8°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 16.0mm), heaviest on Thu afternoon. Very mild (max 17°C on Fri morning, min 7°C on Tue night). Wind will be generally light.

Sat
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
cloud
light rain
light rain
heavy rain
light rain
light rain
rain showers
part cloud
clear
clear
part cloud
part cloud
part cloud
rain showers
rain showers
rain showers
light rain
cloudy
light rain
light rain
heavy rain
light rain
light rain
rain shwrs
some clouds
clear
clear
some clouds
some clouds
some clouds
rain shwrs
rain shwrs
rain shwrs
km/h
5
SW
5
SW
10
S
10
S
15
SSE
5
SE
5
WNW
10
NNW
10
NW
10
NW
5
NW
5
W
5
SSW
0
SSW
5
SSW
10
SSW
0
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
2
1
2
21
3
2
5
3
6
5
 max °C
14
11
13
13
11
13
15
11
14
14
9
16
16
11
16
15
11
 min °C
12
9
12
11
10
11
12
8
11
11
7
14
13
9
14
12
9
12
9
11
10
8
10
12
6
10
10
6
14
13
9
14
12
9
90
96
95
87
99
97
85
93
74
47
48
39
49
85
79
74
76
3750
3800
4000
4200
3950
4250
4350
3600
3650
3500
3750
3700
3500
3700
3450
3500
3300
Sea lvl1000m2000m3000m4000m5000m
1099109101188981110910108131013121112141013138151510151410
Sunrise
4:22
4:22
4:22
4:22
4:22
Sunset
6:58
6:59
6:59
7:00
7:00
7:00

Avalanche information: Japan Avalanche Network


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)

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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.


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