snowy resort image
Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 1030 m
Issued: 8 am  30 Dec 2025 (local time)

New snow in Osa

3.1cm1.2in
Thu 1st (NGT)
The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Thu night). Winds increasing (light winds from the NW on Tue night, strong winds from the WNW by Thu night).

Osa Weather (Next 3 days): The snow forecast for Osa is: A dusting of new snow. Freeze-thaw conditions (max 2°C on Tue morning, min -7°C on Thu night). Winds increasing (light winds from the NW on Tue night, strong winds from the WNW by Thu night).

Osa Weather (Days 4-6): A heavy fall of snow, heaviest during Fri afternoon. Temperatures will be below freezing (max -1°C on Sat night, min -8°C on Fri morning). Winds increasing (moderate winds from the WNW on Sat morning, near gales from the WNW by Sun afternoon).


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
2
20
part cloud
Bottom Lift: 
4
15
part cloud
6 Day Forecast
Issued: 8 am 30 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
part cloud
cloud
cloud
light snow
light snow
light snow
light snow
light snow
heavy snow
mod snow
light snow
light snow
light snow
light snow
light snow
mod snow
some clouds
some clouds
some clouds
cloudy
cloudy
light snow
light snow
light snow
light snow
light snow
heavy snow
mod. snow
light snow
light snow
light snow
light snow
light snow
mod. snow
 km/h
20
WNW
20
NW
20
WNW
35
WNW
25
WNW
30
WNW
25
NW
25
NW
40
WNW
40
WNW
45
WNW
35
WNW
25
WNW
25
WNW
30
W
50
W
55
WNW
35
NW
Snow map
3
2
10
8
3
1
2
2
6
max °C
2
1
-1
-3
-4
-4
-4
-4
-5
-8
-6
-6
-5
-5
-1
-1
-3
-4
min °C
2
-1
-3
-4
-4
-5
-5
-5
-7
-8
-7
-6
-5
-5
-4
-2
-4
-6
-3
-6
-11
-12
-11
-13
-13
-13
-17
-18
-17
-15
-12
-12
-11
-11
-14
-16
90
76
87
87
82
91
89
86
89
92
94
93
95
92
94
94
93
95
1250
1150
800
600
600
400
450
550
300
0
0
250
350
500
0
850
700
300
Sea lvl1000m2000m3000m4000m5000m
20-2-4-4-5-5-5-6-8-7-6-5-5-3-2-4-553-11-1-2-1-2-4-5-4-4-3-2-21-1-3
Sunrise
7:16
7:16
7:18
7:18
7:18
7:18
Sunset
5:07
5:08
5:09
5:10
5:12
5:12

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:12cm
Last snowfall:27 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)


Snow History

Week 4 of December has on average:
0.6
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.8
Powder days
Fresh snow, limited sun, any wind.
1.0
Bluebird days
Average snow, mostly sunny, light wind.