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Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1390 m
Issued: 2 am  01 Jan 2026 (local time)

New snow in Marunuma Kogen

0.9cm0.4in
Thu 1st (AM)
The snow forecast for Marunuma Kogen is: A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -5°C on Thu morning, min -10°C on Thu night). Winds increasing (calm on Fri morning, strong winds from the WNW by Sat afternoon).

Marunuma Kogen Weather (Next 3 days): The snow forecast for Marunuma Kogen is: A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -5°C on Thu morning, min -10°C on Thu night). Winds increasing (calm on Fri morning, strong winds from the WNW by Sat afternoon).

Marunuma Kogen Weather (Days 4-6): A moderate fall of snow, heaviest on Mon afternoon. Temperatures will be below freezing (max -2°C on Sun morning, min -10°C on Mon night). Winds decreasing (fresh winds from the NW on Mon afternoon, calm by Tue night).


Marunuma Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-11
30
clear
Middle Lift: 
-10
15
snow showers
Bottom Lift: 
-9
10
snow showers
6 Day Forecast
Issued: 2 am 01 Jan 2026 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tuesday
6
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
snow showers
snow showers
part cloud
light snow
light snow
light snow
light snow
snow showers
light snow
snow showers
snow showers
snow showers
light snow
snow showers
snow showers
clear
part cloud
snow shwrs
snow shwrs
snow shwrs
some clouds
light snow
light snow
light snow
light snow
snow shwrs
light snow
snow shwrs
snow shwrs
snow shwrs
light snow
snow shwrs
snow shwrs
clear
some clouds
 km/h
5
WNW
10
NW
5
NW
5
SW
5
SW
10
NW
25
WNW
40
WNW
20
WNW
15
WNW
10
WNW
5
WSW
25
W
30
WNW
20
NW
5
NW
5
SSW
5
SSW
Snow map
4
3
5
5
4
1
1
2
4
5
max °C
-5
-5
-8
-5
-5
-9
-5
-6
-7
-2
-3
-6
-2
-6
-8
-3
-3
-6
min °C
-7
-8
-10
-7
-8
-10
-7
-7
-9
-4
-6
-7
-3
-8
-10
-7
-8
-9
-10
-12
-10
-7
-13
-14
-15
-16
-16
-9
-9
-10
-9
-18
-17
-10
-12
-13
63
56
77
65
73
87
83
86
87
78
75
76
73
81
83
76
58
82
300
550
150
300
550
0
350
550
200
750
950
250
1100
500
0
350
950
250
Sea lvl1000m2000m3000m4000m5000m
-11-11-12-12-12-14-12-11-11-8-9-8-7-11-11-8-8-8-6-7-9-6-7-10-6-7-8-3-5-7-3-7-9-5-6-8
Sunrise
6:54
6:54
6:54
6:54
6:54
6:54
Sunset
4:36
4:37
4:37
4:38
4:38
4:39

Snow Radar

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Latest snow reports near Marunuma Kogen:

  • 49 km away from Marunuma Kogen

    46 hours ago
    Is it snowing?

    Snowing at a moderate rate in Maiko Snow Resort. from Maiko Snow Resort

Marunuma Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:2cm
Last snowfall:30 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 1 of January has on average:
1.9
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
2.0
Powder days
Fresh snow, limited sun, any wind.
1.8
Bluebird days
Average snow, mostly sunny, light wind.



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