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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: 2 pm 09 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Light rain (total 4.0mm), mostly falling on Sat afternoon. Very mild (max 10°C on Mon morning, min 2°C on Sat afternoon). Winds decreasing (strong winds from the WNW on Sat afternoon, calm by Mon night).

Days 4-6 weather summary:

Heavy rain (total 21.0mm), heaviest during Thu afternoon. Very mild (max 11°C on Wed morning, min 5°C on Thu night). Wind will be generally light.

Sat
9
Sunday
10
Monday
11
Tuesday
12
Wednesday
13
Thursday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
clear
clear
clear
clear
part cloud
light rain
part cloud
rain showers
rain showers
part cloud
rain showers
light rain
rain showers
rain showers
mod rain
light rain
rain shwrs
clear
clear
clear
clear
some clouds
light rain
some clouds
rain shwrs
rain shwrs
some clouds
rain shwrs
light rain
rain shwrs
rain shwrs
mod. rain
light rain
km/h
45
WNW
15
WNW
5
WNW
5
SW
10
S
5
SSW
5
S
5
S
0
S
5
SSW
5
SW
5
E
5
ENE
5
N
0
NE
5
W
5
WSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
2
1
2
1
3
2
2
7
3
 max °C
3
2
7
8
6
10
10
7
9
9
8
11
9
8
9
8
7
 min °C
2
2
5
7
5
8
9
6
9
9
7
10
9
7
9
8
5
-4
-4
4
6
3
8
9
5
9
9
6
10
9
6
9
8
5
59
41
32
37
81
64
68
88
70
73
86
64
82
86
64
85
93
2050
2050
2400
2650
2750
2950
2900
3050
3100
3050
3100
3150
3050
2900
2850
2900
2700
Sea lvl1000m2000m3000m4000m5000m
00464776776876765521010512117121181311813107
Sunrise
4:39
4:39
4:37
4:37
4:35
Sunset
6:37
6:37
6:38
6:39
6:40
6:40

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: 4 May 2026
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 2 of May has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.1
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.



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