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snowy resort
Ski Japan - Gunma

Manza Onsen Snow Forecast

36.64° N 138.51° E
1820m altitude
Issued:
2 am 25 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 36.0mm), heaviest during Thu morning. Warm (max 22°C on Tue afternoon, min 14°C on Thu afternoon). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 42.0mm), heaviest during Sun night. Very mild (max 18°C on Fri afternoon, min 15°C on Fri morning). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
rain showers
part cloud
thunderstorm
mod rain
heavy rain
light rain
rain showers
part cloud
thunderstorm
rain showers
light rain
mod rain
rain showers
light rain
thunderstorm
heavy rain
rain shwrs
t-storm
risk
rain shwrs
some clouds
t-storm
risk
mod. rain
heavy rain
light rain
rain shwrs
some clouds
t-storm
risk
rain shwrs
light rain
mod. rain
rain shwrs
light rain
t-storm
risk
heavy rain
km/h
5
SW
5
WNW
10
W
10
SW
10
SW
10
WNW
10
WSW
15
W
10
W
10
WNW
5
WNW
5
WSW
5
SSW
10
SSW
5
WSW
5
WSW
0
SSW
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
3
1
4
10
11
5
1
2
1
2
6
3
1
5
22
max °C
21
22
19
21
22
17
15
15
15
17
18
16
16
16
16
18
17
16
min °C
20
19
18
19
19
16
15
14
14
15
16
15
15
16
15
17
16
15
 chill °C
20
19
18
19
19
16
14
13
13
15
16
15
15
16
15
17
16
15
Humid %
64
61
73
62
52
85
94
93
84
86
74
85
90
97
97
91
96
97
Freeze m
5100
5000
5100
5250
5000
4900
4850
4750
4750
4600
4700
4850
4850
5050
5000
5200
5200
5150
Sea lvl1000m2000m3000m4000m5000m
201918191916141414151615151515171615232117222116161414181815171615191716
Sunrise
5:09
5:11
5:11
5:13
5:13
5:13
Sunset
6:24
6:22
6:22
6:20
6:19
6:17

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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