snowy resort image
Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 1030 m
Issued: 8 pm  20 Nov 2025 (local time)

New snow in Osa

1.0cm0.4in
Fri 28th (AM)
The snow forecast for Osa is: Some drizzle, heaviest during Fri morning. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WSW by Sat night).

Osa Weather (Next 3 days): The snow forecast for Osa is: Some drizzle, heaviest during Fri morning. Mild temperatures (max 9°C on Sun afternoon, min 2°C on Fri night). Winds decreasing (fresh winds from the WNW on Fri afternoon, light winds from the WSW by Sat night).

Osa Weather (Days 4-6): Moderate rain (total 15.0mm), heaviest on Tue morning. Freeze-thaw conditions (max 8°C on Mon morning, min -1°C on Tue night). Winds increasing (light winds from the WSW on Mon afternoon, gales from the W by Tue afternoon).


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
4
30
part cloud
Bottom Lift: 
6
20
part cloud
6 Day Forecast
Issued: 8 pm 20 Nov 2025 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
rain showers
clear
cloud
part cloud
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
rain showers
heavy rain
light snow
cloud
part cloud
part cloud
clear
cloudy
rain shwrs
clear
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
rain shwrs
heavy rain
light snow
cloudy
some clouds
some clouds
clear
 km/h
30
W
30
W
35
WNW
25
NW
20
WNW
10
W
10
SW
15
SW
10
SW
15
SW
15
W
15
WSW
25
SW
50
WSW
65
W
55
WNW
30
NNW
25
N
5
N
Snow map
 cm 
 mm 
1
4
11
max°C
5
5
4
3
6
6
7
8
9
7
8
8
7
6
2
0
3
3
5
min°C
4
4
3
2
4
6
6
8
7
6
7
7
6
4
0
-1
1
2
2
chill°C 
-1
-1
-3
-4
0
4
5
5
6
3
4
4
1
-3
-9
-10
-5
-2
-1
Humid% 
91
85
73
89
87
62
44
40
58
46
84
71
84
95
81
83
88
90
68
Freezing level (m
1850
1600
1450
1450
1550
2250
2600
2700
2550
2450
2450
2300
2300
1950
1250
850
1200
1400
1850
topliftbotliftSea lvl1000m2000m3000m4000m5000m
554356788788751-123478659851110610108742554
Sunrise
6:50
6:50
6:52
6:52
6:52
6:54
Sunset
5:02
5:01
5:01
5:00
5:00
5:00

Snow Radar

Latest snow reports near Osa:

No recent snow reports

No recent snow reports

Osa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:1cm
Last snowfall:18 Nov 2025
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)


Snow History

Week 3 of November has on average:
0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.2
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.