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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E
1820m altitude
Issued:
2 am 26 Aug 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 93.0mm), heaviest during Thu morning. Warm (max 22°C on Wed afternoon, min 13°C on Thu morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 33.0mm), heaviest during Sun morning. Very mild (max 17°C on Mon morning, min 14°C on Sat morning). Wind will be generally light.

Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
Monday
31
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
thunderstorm
thunderstorm
heavy rain
mod rain
light rain
cloud
thunderstorm
light rain
light rain
light rain
light rain
heavy rain
light rain
light rain
thunderstorm
thunderstorm
rain showers
some clouds
t-storm
risk
t-storm
risk
heavy rain
mod. rain
light rain
cloudy
t-storm
risk
light rain
light rain
light rain
light rain
heavy rain
light rain
light rain
t-storm
risk
t-storm
risk
rain shwrs
km/h
10
W
10
W
10
SW
5
WSW
15
W
15
W
10
WNW
10
NW
5
WSW
5
SW
5
WSW
5
SW
5
SSW
5
WSW
5
SSW
5
WSW
5
SSW
10
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
34
39
10
1
2
4
3
1
3
15
1
1
2
4
3
max °C
21
22
18
14
15
15
17
17
15
14
15
15
15
16
15
17
17
16
min °C
19
19
14
13
14
14
15
15
14
14
14
14
15
16
15
16
17
16
 chill °C
19
19
14
12
13
13
14
15
14
14
14
14
15
16
15
16
17
16
Humid %
69
58
83
92
86
82
91
76
91
96
96
94
96
94
96
94
93
90
Freeze m
5200
4950
5000
4800
4800
4800
4650
4850
4850
4800
5050
5100
5100
5100
5150
5150
5100
5100
Sea lvl1000m2000m3000m4000m5000m
191915141414151514141414141515161616222116151414171715151514151615181816
Sunrise
5:11
5:11
5:13
5:13
5:13
5:15
Sunset
6:22
6:22
6:20
6:19
6:17
6:15

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

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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 4 of August 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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