comScore pixel
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: 2 am 16 May 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Mostly dry. Warm (max 21°C on Mon afternoon, min 11°C on Sat night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 16.0mm), heaviest on Thu afternoon. Very mild (max 19°C on Tue morning, min 9°C on Thu night). Wind will be generally light.

Saturday
16
Sunday
17
Monday
18
Tuesday
19
Wednesday
20
Thursday
21
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
cloud
light rain
light rain
light rain
light rain
rain showers
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
light rain
light rain
cloudy
light rain
light rain
light rain
light rain
rain shwrs
km/h
5
ENE
5
NE
10
NNW
5
NNE
10
N
5
SW
0
WNW
0
E
5
WSW
5
SW
5
SSE
0
SW
5
N
5
NE
5
S
5
ESE
5
ESE
5
E
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
1
3
1
1
4
5
1
 max °C
14
15
12
16
18
14
20
21
15
19
19
14
13
15
11
11
10
9
 min °C
12
14
11
14
17
12
16
18
14
17
17
12
12
13
11
10
10
9
12
14
10
14
17
12
16
18
14
17
17
12
12
13
10
9
10
8
32
27
50
37
36
73
46
35
69
51
48
80
76
57
93
90
96
96
3500
3500
3550
3500
3650
4200
4450
4200
4300
4300
4050
3850
3850
3600
3750
3500
3300
3500
Sea lvl1000m2000m3000m4000m5000m
12141114161217181417161212131010981616918181121211321181314161113119
Sunrise
4:39
4:39
4:37
4:37
4:37
4:35
Sunset
6:45
6:45
6:46
6:46
6:47
6:49
Popular Koumi Riekkusu Ski Valley Pages

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: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 3 of May has on average:

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



Snow-Forecast Partner Offers
Map placeholder