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snowy resort
Ski Japan - Gunma

Omote Manza Snow Forecast

36.59° N 138.52° E

Weather Forecast for Omote Manza at 1840m altitude

Issued:
8 pm 16 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Heavy rain (total 29.0mm), heaviest during Wed night. Very mild (max 13°C on Fri morning, min 11°C on Wed night). Wind will be generally light.

Days 5-7 weather summary:

Moderate rain (total 17.0mm), heaviest on Sat night. Very mild (max 15°C on Tue morning, min 12°C on Sun night). Winds decreasing (fresh winds from the NW on Sun night, calm by Tue afternoon).

Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
light rain
light rain
part cloud
clear
part cloud
light rain
light rain
light rain
mod rain
light rain
light rain
mod rain
rain showers
clear
clear
heavy rain
light rain
light rain
some clouds
clear
some clouds
light rain
light rain
light rain
mod. rain
light rain
light rain
mod. rain
rain shwrs
clear
clear
km/h
0
SSW
0
WNW
5
E
10
SE
10
SE
10
SE
15
SE
10
SE
5
ESE
5
E
10
N
15
N
30
NNW
25
NW
15
NW
5
NW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
17
2
2
4
2
2
6
2
1
7
1
max °C
12
12
12
11
13
13
13
13
13
13
13
13
13
14
14
12
min °C
11
11
12
11
11
12
12
13
13
13
13
13
12
13
12
12
 chill °C
11
11
12
10
10
11
10
12
13
12
12
12
9
11
11
11
Humid %
94
93
96
82
63
69
94
95
94
95
95
93
91
75
56
30
Freeze m
4300
4200
4150
4550
4600
4550
4350
4650
4750
4650
4700
4800
4650
5200
5150
4950
Sea lvl1000m2000m3000m4000m5000m
1011111111121112121212121213131212131310141413141413141414141310
Sunrise
5:28
5:28
5:30
5:31
5:31
Sunset
5:51
5:50
5:47
5:46
5:45

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Omote Manza:

No recent snow reports

No recent snow reports

Omote Manza 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 3 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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