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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 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 49.0mm), heaviest during Tue afternoon. Very mild (max 19°C on Mon morning, min 12°C on Mon night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 55.0mm), heaviest during Fri morning. Very mild (max 18°C on Thu morning, min 14°C on Wed night). Wind will be generally light.

Sun
9
Monday
10
Tuesday
11
Wednesday
12
Thursday
13
Friday
14
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
rain showers
rain showers
part cloud
light rain
heavy rain
heavy rain
rain showers
rain showers
rain showers
thunderstorm
thunderstorm
mod rain
heavy rain
light rain
mod rain
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
some clouds
light rain
heavy rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
t-storm
risk
t-storm
risk
mod. rain
heavy rain
light rain
mod. rain
km/h
5
NNE
5
NNW
5
NNW
10
NW
10
NNW
10
N
15
NNW
15
SSE
15
SSE
15
SE
10
SE
10
SE
10
SE
10
E
10
NNE
5
ENE
10
ESE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
12
3
1
2
2
16
11
2
2
1
2
5
6
22
4
10
max °C
18
17
19
19
14
15
13
13
16
16
15
18
18
16
15
15
16
min °C
18
15
17
16
12
13
13
12
14
15
14
17
16
15
14
15
15
 chill °C
18
15
17
16
11
12
12
10
13
14
13
17
16
14
13
15
15
Humid %
84
91
75
56
66
55
94
99
88
77
75
76
77
96
97
98
97
Freeze m
4800
4700
4700
4550
4550
4550
4650
4550
4450
4450
4500
4500
4600
4700
4750
4950
4900
Sea lvl1000m2000m3000m4000m5000m
16151616121312121314131616141414141916212012161313171714201916151616
Sunrise
4:54
4:54
4:56
4:56
4:58
Sunset
6:40
6:39
6:38
6:37
6:37
6:36

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 2 of August 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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