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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 1820m altitude

Issued:
2 pm 07 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 143.0mm), heaviest during Wed night. Very mild (max 16°C on Mon afternoon, min 12°C on Wed night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 55.0mm), heaviest during Fri afternoon. Very mild (max 17°C on Sun morning, min 13°C on Thu afternoon). Wind will be generally light.

Mon
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
Saturday
12
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod rain
mod rain
light rain
thunderstorm
heavy rain
mod rain
heavy rain
heavy rain
mod rain
light rain
light rain
heavy rain
heavy rain
heavy rain
light rain
thunderstorm
cloud
mod. rain
mod. rain
light rain
t-storm
risk
heavy rain
mod. rain
heavy rain
heavy rain
mod. rain
light rain
light rain
heavy rain
heavy rain
heavy rain
light rain
t-storm
risk
cloudy
km/h
10
SW
10
SSW
10
SW
10
SSW
15
SSW
15
W
10
WNW
10
S
5
SW
10
SW
10
SSW
5
SW
10
W
10
SW
10
WSW
10
WSW
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
9
10
4
17
24
9
15
49
6
1
5
12
18
12
3
3
max °C
16
16
16
16
16
16
14
13
13
13
13
13
14
14
15
16
15
min °C
15
15
16
16
16
15
14
12
12
13
13
13
13
14
14
15
15
 chill °C
15
15
16
16
16
15
14
12
12
12
12
13
12
14
14
15
15
Humid %
95
96
96
95
97
99
99
100
99
93
90
99
97
97
99
90
96
Freeze m
5200
5100
5100
5150
5300
5250
5200
5100
4950
5000
5050
4900
4950
4850
4850
5000
4900
Sea lvl1000m2000m3000m4000m5000m
15151516161514131213121213131415141615171716161413131312131314161615
Sunrise
5:20
5:22
5:22
5:24
5:24
Sunset
6:06
6:05
6:02
6:01
6:00
5:59

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 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.

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