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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E
1820m altitude
Issued:
2 am 23 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 33.0mm), heaviest during Sun night. Warm (max 21°C on Tue morning, min 17°C on Sun morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 62.0mm), heaviest during Thu night. Warm (max 20°C on Wed morning, min 13°C on Fri morning). Wind will be generally light.

Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
clear
thunderstorm
rain showers
thunderstorm
thunderstorm
rain showers
thunderstorm
mod rain
heavy rain
rain showers
rain showers
rain showers
t-storm
risk
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
clear
t-storm
risk
rain shwrs
t-storm
risk
t-storm
risk
rain shwrs
t-storm
risk
mod. rain
heavy rain
rain shwrs
rain shwrs
rain shwrs
km/h
5
WNW
5
NW
5
W
10
NW
5
WNW
5
W
5
NW
5
NNW
5
SW
5
SW
5
WSW
10
WSW
5
WSW
5
SW
15
SW
10
NW
10
NW
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
2
6
5
2
6
3
4
5
3
6
9
5
6
23
8
1
1
max °C
19
18
17
19
20
18
21
20
18
20
20
18
17
17
15
15
16
15
min °C
17
17
17
18
19
18
19
19
18
19
19
17
17
16
14
13
15
14
 chill °C
17
17
17
18
19
18
19
19
18
19
19
17
17
16
13
12
15
14
Humid %
79
80
82
73
72
76
71
68
76
76
71
76
81
85
96
92
72
82
Freeze m
4850
4950
4900
4950
5000
5050
5000
5000
5100
5100
5000
5000
4900
4800
4950
4650
4700
4750
Sea lvl1000m2000m3000m4000m5000m
171716181817191917181817161614141514201816202017222017212017181615151714
Sunrise
5:09
5:09
5:09
5:11
5:11
5:13
Sunset
6:27
6:25
6:24
6:22
6:22
6:20

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 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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