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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 30 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Some drizzle, heaviest during Fri afternoon. Very mild (max 17°C on Thu morning, min 5°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 48.0mm), heaviest during Mon afternoon. Very mild (max 11°C on Mon night, min 7°C on Sat morning). Wind will be generally light.

Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
part cloud
clear
clear
clear
clear
rain showers
clear
clear
part cloud
part cloud
cloud
cloud
mod rain
heavy rain
heavy rain
light rain
clear
some clouds
some clouds
clear
clear
clear
clear
rain shwrs
clear
clear
some clouds
some clouds
cloudy
cloudy
mod. rain
heavy rain
heavy rain
light rain
km/h
5
SW
10
SW
10
SSW
5
WNW
10
WNW
10
W
10
W
15
WNW
10
WNW
10
WNW
5
WNW
10
SW
5
SSW
10
SSW
10
SSW
10
SSE
10
S
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
—
—
—
—
—
1
—
—
—
—
—
—
10
12
22
4
max °C
14
13
14
17
15
12
10
10
6
10
10
7
10
9
8
8
8
11
min °C
12
11
11
16
13
8
8
7
5
7
7
7
8
8
7
8
8
9
 chill °C
12
10
10
16
12
6
6
4
2
5
7
6
7
6
5
6
6
7
Humid %
72
80
86
61
61
77
84
55
71
55
48
77
84
79
97
95
99
93
Freeze m
4450
4450
4650
4750
4650
4200
3750
3200
3300
3500
3350
3600
3750
3800
3600
3650
4100
4200
Sea lvl1000m2000m3000m4000m5000m
1212121513987577688677101614121915101210511107111089810
Sunrise
5:35
—
—
5:37
—
—
5:37
—
—
5:37
—
—
5:39
—
—
5:39
—
—
Sunset
—
5:28
—
—
5:27
—
—
5:24
—
—
5:23
—
—
5:22
—
—
5:21
—

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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