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Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1390 m
Issued: 2 am  15 Dec 2025 (local time)

New snow in Marunuma Kogen

15.5cm6in
Mon 15th (AM)
The snow forecast for Marunuma Kogen is: A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max 0°C on Tue morning, min -8°C on Mon night). Winds decreasing (strong winds from the WNW on Mon morning, calm by Wed afternoon).

Marunuma Kogen Weather (Next 3 days): The snow forecast for Marunuma Kogen is: A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max 0°C on Tue morning, min -8°C on Mon night). Winds decreasing (strong winds from the WNW on Mon morning, calm by Wed afternoon).

Marunuma Kogen Weather (Days 4-6): Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 7°C on Sat morning, min -5°C on Thu afternoon). Wind will be generally light.


Marunuma Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-8
60
heavy snow
Middle Lift: 
-6
45
heavy snow
Bottom Lift: 
-4
35
heavy snow
6 Day Forecast
Issued: 2 am 15 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
snow showers
snow showers
clear
clear
snow showers
part cloud
light snow
snow showers
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
light rain
mod. snow
snow shwrs
snow shwrs
clear
clear
snow shwrs
some clouds
light snow
snow shwrs
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
light rain
 km/h
30
NW
30
WNW
10
NW
5
WNW
5
W
10
W
5
SW
5
SW
10
NNW
5
NW
5
SSW
10
SSW
5
SSW
0
SSW
10
SSW
5
SSW
10
SW
10
SSW
Snow map
7
3
1
1
1
max °C
-4
-5
-7
0
0
-3
0
-1
-4
-1
-1
-3
4
3
1
7
6
4
min °C
-4
-7
-8
-3
-4
-5
-1
-3
-7
-4
-5
-5
2
0
0
6
3
3
-11
-13
-12
-3
-8
-8
-3
-3
-11
-7
-8
-9
2
-2
-2
5
0
0
89
85
77
56
64
75
75
88
93
61
69
70
36
47
20
16
35
43
800
700
0
900
1400
1050
1150
1300
650
850
1300
950
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2450
2800
2850
2750
2850
topbotSea lvl1000m2000m3000m4000m5000m
-9-7-7-5-5-6-5-5-7-5-4-2135555-4-6-8-2-2-4-1-2-6-3-3-4321754
Sunrise
6:47
6:48
6:48
6:48
6:50
6:50
Sunset
4:27
4:27
4:27
4:28
4:28
4:29

Snow Radar

Submit a report Eyeball Reporter

Latest snow reports near Marunuma Kogen:

  • 11 km away from Marunuma Kogen

    1 hour ago
    weather station observation

    Continuous light snow reported from Nikko at 1298 metres elevation 6 kms ESE of Nikko Shobugahama Ski Resort from Nikko Shobugahama

  • 11 km away from Marunuma Kogen

    2 hours ago
    weather station observation

    Freezing rain reported from Nikko at 1298 metres elevation 6 kms ESE of Nikko Shobugahama but it is forecast cold enough for snow at the ski area from Nikko Shobugahama

Marunuma Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:15cm
Last snowfall:14 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 3 of December has on average:
1.7
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.5
Powder days
Fresh snow, limited sun, any wind.
0.8
Bluebird days
Average snow, mostly sunny, light wind.




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