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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  19 Feb 2026 (local time)

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New snow in Koumi Riekkusu Ski Valley

2.0cm0.8in
Sun 1st (NGT)
The snow forecast for Koumi Riekkusu Ski Valley is: Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -7°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: Mostly dry. Freeze-thaw conditions (max 5°C on Sun morning, min -7°C on Thu night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Days 4-6): Moderate rain (total 11.0mm), heaviest on Tue night. Mild temperatures (max 7°C on Mon morning, min 1°C on Sun night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Wed morning).


Koumi Riekkusu Ski Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-6
15
clear
Bottom Lift: 
-6
15
clear
6 Day Forecast
Issued: 2 pm 19 Feb 2026 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
part cloud
mod rain
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
some clouds
mod. rain
 km/h
15
NW
10
W
5
SW
5
W
5
W
0
W
5
WSW
10
S
10
SSW
15
SSW
25
SW
30
SW
25
WSW
5
SW
15
S
20
SSW
20
SSW
Snow map
9
max °C
-3
-5
0
1
-2
2
4
1
5
6
3
7
7
4
4
5
4
min °C
-6
-7
-3
-2
-3
-1
2
0
2
3
1
3
6
2
2
4
4
-12
-11
-6
-2
-3
-1
0
-3
-1
-1
-4
-2
3
-1
-2
0
0
36
61
35
27
56
28
21
58
29
33
87
87
33
40
55
63
94
1150
300
1050
1700
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1450
2050
1550
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2650
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2650
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2350
Sea lvl1000m2000m3000m4000m5000m
-5-7-3-2-4-12-1341562243-4-701-434-1562771564
Sunrise
6:28
6:26
6:26
6:24
6:22
Sunset
5:30
5:30
5:31
5:32
5:34
5:35
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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:1cm
Last snowfall:17 Feb 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)


Snow History

Week 3 of February has on average:
1.3
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
2.8
Bluebird days
Average snow, mostly sunny, light wind.



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