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snowy resort
Lat Long: 36.05° N 138.42° E
Ski Japan - Nagano

Koumi Riekkusu Ski Valley Snow Forecast

Weather Forecast for Koumi Riekkusu Ski Valley at 1590m altitude

Issued: 8 pm 20 Apr 2026 (local time)

Forecast update in  hr  min

Next snow in Koumi Riekkusu Ski Valley: 2.4cm on Fri 24th  (after 6 PM)

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Light rain (total 9.0mm), mostly falling on Tue morning. Very mild (max 11°C on Tue afternoon, min 4°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Mild with heavy rain (total 47.0mm), heaviest during Thu night. Becoming colder with a moderate fall of snow heaviest on Fri night. Freeze-thaw conditions (max 11°C on Sat afternoon, min 0°C on Fri night). Wind will be generally light.

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
clear
clear
part cloud
cloud
part cloud
cloud
light rain
heavy rain
heavy rain
light snow
mod snow
clear
clear
cloud
rain shwrs
rain shwrs
clear
clear
some clouds
cloudy
some clouds
cloudy
light rain
heavy rain
heavy rain
light snow
mod. snow
clear
clear
cloudy
km/h
15
SSW
20
WNW
25
WNW
10
SW
10
SW
15
W
5
WNW
5
E
5
ESE
10
E
10
ESE
10
ESE
5
NNE
5
NNW
5
NW
5
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
3
7
3
4
2
32
12
3
 max °C
8
9
11
6
11
11
7
8
7
4
4
4
1
9
11
7
 min °C
6
7
8
4
7
9
5
6
5
3
4
2
0
5
9
5
2
4
6
1
5
8
4
5
3
0
1
-1
-2
4
9
3
92
92
17
32
36
23
46
47
66
97
98
96
99
64
34
91
3100
2650
2750
2650
2700
2700
2500
2500
2500
2500
3050
3150
1700
2450
2700
2950
Sea lvl1000m2000m3000m4000m5000m
668488565343069581011512116108453210116
Sunrise
5:05
5:05
5:03
5:01
5:01
Sunset
6:23
6:24
6:25
6:25
6:27
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Snow Radar

Latest snow reports near Koumi Riekkusu Ski Valley:

No recent snow reports

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Koumi Riekkusu Ski Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 3 of April has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.1
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.



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