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Ski Japan - Nagano

Koumi Riekkusu Ski Valley Snow Forecast

Weather Forecast for Koumi Riekkusu Ski Valley at 1400 m
Issued: 8 am  10 Dec 2025 (local time)

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New snow in Koumi Riekkusu Ski Valley

3.5cm1.4in
Thu 11th (NGT)
The snow forecast for Koumi Riekkusu Ski Valley is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Thu morning, min -10°C on Fri night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: A dusting of new snow. Freeze-thaw conditions (max 5°C on Thu morning, min -10°C on Fri night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Days 4-6): A light covering of new snow, mostly falling on Sun morning. Temperatures will be below freezing (max 0°C on Sun morning, min -9°C on Mon night). Wind will be generally light.


Koumi Riekkusu Ski Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-1
15
part cloud
Bottom Lift: 
3
10
part cloud
6 Day Forecast
Issued: 8 am 10 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
part cloud
part cloud
clear
clear
light snow
snow showers
part cloud
part cloud
clear
part cloud
cloud
light snow
light snow
snow showers
clear
part cloud
part cloud
some clouds
some clouds
some clouds
clear
clear
light snow
snow shwrs
some clouds
some clouds
clear
some clouds
cloudy
light snow
light snow
snow shwrs
clear
some clouds
some clouds
 km/h
10
WNW
15
WNW
10
SSW
15
SSW
20
SW
15
W
15
WNW
15
NW
10
NW
5
WNW
5
W
10
S
10
S
10
W
10
W
10
WNW
10
WNW
10
WNW
Snow map
4
4
3
max °C
3
2
-2
5
4
1
-4
-5
-9
-2
-1
-2
0
0
-3
-2
-2
-8
min °C
0
-2
-3
1
0
-5
-5
-9
-10
-5
-5
-4
-2
-1
-8
-4
-7
-9
-3
-4
-5
-3
-6
-10
-11
-16
-16
-8
-9
-9
-5
-5
-12
-8
-12
-9
50
48
59
38
48
94
70
56
85
53
39
84
96
98
83
77
63
86
1300
1600
1250
1600
1900
1400
600
650
0
550
1200
950
1150
1550
500
800
1100
0
topbotSea lvl1000m2000m3000m4000m5000m
-2-2-200-5-8-8-10-6-4-4-2-2-6-6-6-620-332-2-5-7-10-4-3-3-1-1-6-3-5-9
Sunrise
6:45
6:46
6:47
6:47
6:48
6:48
Sunset
4:31
4:31
4:31
4:31
4:31
4:32
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Snow Radar

Latest snow reports near Koumi Riekkusu Ski Valley:

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Koumi Riekkusu Ski Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:25 Nov 2025
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Other resorts in Japan - Nagano are reporting: powder (2) / good piste (2)


Snow History

Week 2 of December has on average:
0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
0.5
Bluebird days
Average snow, mostly sunny, light wind.




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