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Ski Japan - Gunma

Manza Onsen Snow Forecast

Weather Forecast for Manza Onsen at 1820 m
Issued: 2 am  15 Dec 2025 (local time)

New snow in Manza Onsen

14.9cm5in
Mon 15th (AM)
The snow forecast for Manza Onsen is: A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max -3°C on Tue morning, min -8°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon morning, light winds from the W by Wed afternoon).

Manza Onsen Weather (Next 3 days): The snow forecast for Manza Onsen is: A moderate fall of snow, heaviest on Mon morning. Temperatures will be below freezing (max -3°C on Tue morning, min -8°C on Mon night). Winds decreasing (fresh winds from the WNW on Mon morning, light winds from the W by Wed afternoon).

Manza Onsen Weather (Days 4-6): Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 6°C on Fri night, min -5°C on Thu morning). Wind will be generally light.


Manza Onsen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-8
45
heavy snow
Bottom Lift: 
-6
35
heavy snow
6 Day Forecast
Issued: 2 am 15 Dec 2025 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
mod snow
light snow
snow showers
clear
part cloud
snow showers
snow showers
light snow
snow showers
clear
clear
clear
clear
clear
clear
part cloud
part cloud
light rain
mod. snow
light snow
snow shwrs
clear
some clouds
snow shwrs
snow shwrs
light snow
snow shwrs
clear
clear
clear
clear
clear
clear
some clouds
some clouds
light rain
 km/h
30
WNW
25
NW
10
WNW
15
W
15
W
15
WNW
15
W
15
W
15
WNW
15
WNW
10
WSW
10
WSW
10
W
10
WSW
10
SSW
15
SW
15
SW
15
SSW
Snow map
7
1
2
1
1
max °C
-7
-7
-6
-3
-3
-4
-3
-3
-6
-3
-2
1
2
4
6
6
5
6
min °C
-7
-7
-8
-5
-4
-6
-4
-5
-7
-5
-2
-2
2
3
5
5
5
4
-16
-15
-14
-10
-9
-12
-10
-9
-13
-10
-5
-6
-1
0
3
1
2
0
96
70
63
43
60
80
80
95
92
59
56
45
18
24
13
24
45
71
800
750
0
900
1400
800
1050
1300
550
800
1350
1400
2200
2550
2850
2700
2700
2850
topbotSea lvl1000m2000m3000m4000m5000m
-8-8-8-5-5-6-5-5-8-5-3-1235444-6-7-9-4-4-7-3-3-7-4-4-4111543
Sunrise
6:50
6:50
6:50
6:52
6:52
6:52
Sunset
4:30
4:30
4:30
4:31
4:31
4:31

Snow Radar

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Latest snow reports near Manza Onsen:

  • 34 km away from Manza Onsen

    54 minutes ago
    weather station observation

    Moderate to heavy freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen

  • 34 km away from Manza Onsen

    3 hours ago
    weather station observation

    Light rain and snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen

Manza Onsen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:17cm
Last snowfall:14 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 3 of December has on average:
2.7
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.5
Powder days
Fresh snow, limited sun, any wind.
1.4
Bluebird days
Average snow, mostly sunny, light wind.