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Marunuma Kogen resort snow
Ski Japan - Gunma

Marunuma Kogen Snow Forecast

36.81° N 139.34° E

Weather Forecast for Marunuma Kogen at 1695 m altitude

Issued:
8 am 27 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Moderate rain (total 17.0mm), heaviest on Tue afternoon. Very mild (max 15°C on Mon morning, min 9°C on Tue night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 31.0mm), heaviest during Fri morning. Very mild (max 15°C on Thu morning, min 7°C on Fri night). Wind will be generally light.

Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
thunderstorm
light rain
light rain
light rain
light rain
light rain
light rain
part cloud
clear
part cloud
rain showers
light rain
light rain
heavy rain
mod rain
light rain
part cloud
light rain
t-storm
risk
light rain
light rain
light rain
light rain
light rain
light rain
some clouds
clear
some clouds
rain shwrs
light rain
light rain
heavy rain
mod. rain
light rain
some clouds
km/h
0
SSW
10
SSW
10
SW
15
WSW
15
WSW
10
WNW
10
W
5
WNW
10
WNW
5
SW
10
SSW
15
SSW
15
SW
10
W
10
WSW
10
WNW
5
W
5
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
1
2
1
1
2
4
2
4
—
—
—
2
1
2
15
9
2
—
max °C
13
13
14
15
14
13
11
10
10
13
12
14
15
14
12
10
9
8
min °C
13
12
12
15
14
11
11
10
9
11
11
12
15
12
9
10
9
7
 chill °C
13
11
11
14
13
10
10
9
8
11
10
11
14
11
8
9
8
7
Humid %
88
94
94
75
79
79
84
88
78
69
81
95
84
90
92
96
87
78
Freeze m
4100
4250
4250
4200
4300
4050
3850
3900
4050
4350
4500
4500
4700
4550
4400
4050
3900
4150
Sea lvl1000m2000m3000m4000m5000m
12121213131010991112121412108881614131615131311914131317141111107
Sunrise
5:33
—
—
5:33
—
—
5:35
—
—
5:35
—
—
5:37
—
—
5:37
—
—
Sunset
—
5:32
—
—
5:30
—
—
5:30
—
—
5:28
—
—
5:27
—
—
5:24
—

Days 7-16 weather summary:

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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 4 of September 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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