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Ski Japan - Nagano

Koumi Riekkusu Ski Valley Snow Forecast

Weather Forecast for Koumi Riekkusu Ski Valley at 1590 m
Issued: 2 pm  31 Mar 2026 (local time)

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New snow in Koumi Riekkusu Ski Valley

2.6cm1.0in
Thu 2nd (AM)
The snow forecast for Koumi Riekkusu Ski Valley is: Heavy rain (total 40.0mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 10°C on Tue night, min -2°C on Thu night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: Heavy rain (total 40.0mm), heaviest during Wed night. Later becoming colder with a dusting of snow on Thu morning. Freeze-thaw conditions (max 10°C on Tue night, min -2°C on Thu night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Days 4-6): Moderate rain (total 19.0mm), heaviest on Sat night. Very mild (max 13°C on Sun afternoon, min 2°C on Fri night). Winds increasing (calm on Fri afternoon, fresh winds from the S by Sat afternoon).


Koumi Riekkusu Ski Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
8
30
light rain
Bottom Lift: 
9
15
light rain
6 Day Forecast
Issued: 2 pm 31 Mar 2026 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Tue
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
rain showers
light rain
heavy rain
heavy rain
light snow
light snow
clear
clear
clear
part cloud
light rain
mod rain
rain showers
part cloud
clear
part cloud
light rain
rain shwrs
light rain
heavy rain
heavy rain
light snow
light snow
clear
clear
clear
some clouds
light rain
mod. rain
rain shwrs
some clouds
clear
some clouds
 km/h
20
SSW
15
WSW
0
WSW
5
S
5
SE
10
NW
15
NW
10
NW
5
WNW
5
WSW
15
S
20
S
30
S
25
SW
10
W
10
SSW
15
SW
Snow map
2
5
1
2
11
21
2
9
8
max °C
9
10
6
5
4
2
0
-1
6
8
4
3
5
7
12
13
9
min °C
7
5
6
5
2
0
-1
-2
2
6
2
3
4
6
8
11
8
4
2
6
4
0
-4
-5
-6
0
5
-2
-2
-1
2
6
10
5
98
81
83
98
98
98
90
80
50
36
90
73
94
93
64
40
65
3550
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3450
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Sea lvl1000m2000m3000m4000m5000m
876430-2-3363247101188776421-278355712137
Sunrise
5:33
5:31
5:30
5:28
5:28
Sunset
6:06
6:07
6:07
6:08
6:09
6:09
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Snow Radar

Latest snow reports near Koumi Riekkusu Ski Valley:

No recent snow reports

No recent snow reports

Koumi Riekkusu Ski Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:26 Mar 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 4 of March has on average:
0.4
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.6
Powder days
Fresh snow, limited sun, any wind.
0.8
Bluebird days
Average snow, mostly sunny, light wind.



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