comScore pixel
Marunuma Kogen resort snow
Ski Japan - Gunma

Marunuma Kogen Snow Forecast

36.81° N 139.34° E

Weather Forecast for Marunuma Kogen at 1695m altitude

Issued:
2 am 03 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 54.0mm), heaviest during Fri night. Very mild (max 17°C on Thu morning, min 11°C on Sat night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 234.0mm), heaviest during Mon night. Very mild (max 17°C on Mon night, min 12°C on Sun morning). Wind will be generally light.

Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
heavy rain
light rain
light rain
mod rain
heavy rain
light rain
light rain
light rain
rain showers
light rain
mod rain
mod rain
heavy rain
heavy rain
heavy rain
mod rain
light rain
mod. rain
heavy rain
light rain
light rain
mod. rain
heavy rain
light rain
light rain
light rain
rain shwrs
light rain
mod. rain
mod. rain
heavy rain
heavy rain
heavy rain
mod. rain
light rain
km/h
10
SW
10
WNW
10
W
5
WNW
5
W
0
WNW
0
S
5
SSW
5
SE
10
SE
15
SE
15
ESE
15
E
10
SE
25
S
15
SW
15
S
15
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
6
11
2
3
6
20
2
2
2
2
2
9
10
51
115
34
6
5
max °C
17
15
15
15
14
13
14
14
12
13
13
13
14
15
17
17
17
17
min °C
16
14
14
14
13
12
12
13
11
12
12
12
14
14
15
17
17
17
 chill °C
15
13
14
14
13
12
12
13
10
11
10
10
13
14
14
17
17
17
Humid %
82
88
80
86
88
92
89
94
96
93
85
95
95
99
98
99
99
97
Freeze m
4750
4650
4600
4400
4250
4250
4300
4400
4600
4700
4850
4800
5100
5200
5250
5400
5400
5300
Sea lvl1000m2000m3000m4000m5000m
151313131311121211121312131415161616181515171513151513151414151516181818
Sunrise
5:13
5:15
5:16
5:16
5:16
5:18
Sunset
6:08
6:07
6:06
6:04
6:02
6:00

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

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)

Snow-Forecast Partner Offers

Snow History

Week 1 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.


Snow-Forecast Partner Offers


Map placeholder