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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E

Weather Forecast for Manza Onsen at 2000m 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 25.0mm), heaviest during Wed night. Very mild (max 13°C on Fri morning, min 10°C on Thu night). Wind will be generally light.

Days 5-7 weather summary:

Moderate rain (total 19.0mm), heaviest on Sat night. Very mild (max 14°C on Tue morning, min 11°C on Sun night). Winds decreasing (strong winds from the NNW 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
rain showers
part cloud
part cloud
clear
light rain
rain showers
rain showers
mod rain
light rain
light rain
mod rain
light rain
part cloud
clear
heavy rain
light rain
rain shwrs
some clouds
some clouds
clear
light rain
rain shwrs
rain shwrs
mod. rain
light rain
light rain
mod. rain
light rain
some clouds
clear
km/h
5
SW
0
W
0
ENE
5
SE
10
SE
10
SE
15
SSE
10
SE
5
SE
10
ESE
10
NNE
15
N
35
NNW
30
NNW
20
NW
5
WNW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
13
2
2
4
2
2
6
3
1
7
2
max °C
11
12
12
11
13
13
12
13
13
12
12
13
13
13
13
12
min °C
11
11
11
10
11
12
11
12
12
12
12
13
11
12
12
11
 chill °C
11
11
11
9
10
11
9
11
12
11
11
11
8
9
11
10
Humid %
91
91
93
73
57
63
94
93
92
94
97
91
92
70
53
30
Freeze m
4250
4200
4200
4500
4600
4550
4400
4650
4750
4650
4700
4800
4600
5150
5150
4950
Sea lvl1000m2000m3000m4000m5000m
1112121112131213131212131213131212131311141412141413141413141310
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 Manza Onsen:

No recent snow reports

No recent snow reports

Manza Onsen 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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