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Ski Japan - Nagano

Koumi Riekkusu Ski Valley Snow Forecast

Weather Forecast for Koumi Riekkusu Ski Valley at 1400 m
Issued: 2 pm  30 Dec 2025 (local time)

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New snow in Koumi Riekkusu Ski Valley

3.3cm1.3in
Fri 2nd (PM)
The snow forecast for Koumi Riekkusu Ski Valley is: Mostly dry. Freeze-thaw conditions (max 3°C on Tue afternoon, min -8°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 3°C on Tue afternoon, min -8°C on Thu night). Wind will be generally light.

Koumi Riekkusu Ski Valley Weather (Days 4-6): A light covering of new snow, mostly falling on Fri afternoon. Temperatures will be below freezing (max -1°C on Sun morning, min -10°C on Fri night). Winds increasing (light winds from the W on Fri night, fresh winds from the W by Mon morning).


Koumi Riekkusu Ski Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-2
25
clear
Bottom Lift: 
-1
15
clear
6 Day Forecast
Issued: 2 pm 30 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Tue
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
part cloud
light snow
snow showers
part cloud
clear
clear
clear
light snow
snow showers
some clouds
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
some clouds
light snow
snow shwrs
some clouds
clear
clear
clear
light snow
snow shwrs
 km/h
15
WSW
10
WSW
15
WSW
20
W
10
WNW
5
WNW
10
NW
5
WNW
5
WSW
5
W
5
W
10
WSW
15
W
10
SW
20
WSW
20
WSW
15
NW
Snow map
2
1
2
2
max °C
3
-2
1
0
-5
-1
-2
-6
-3
-4
-9
-4
-3
-8
-1
-2
-6
min °C
-1
-5
-2
-4
-7
-5
-5
-8
-5
-7
-10
-7
-7
-8
-4
-4
-9
-5
-9
-7
-9
-11
-8
-8
-11
-5
-13
-14
-12
-11
-12
-10
-11
-17
55
66
48
43
78
63
39
81
66
56
87
59
45
65
71
71
82
1700
1050
1100
1350
550
650
1100
400
500
800
0
350
850
150
800
1100
350
Sea lvl1000m2000m3000m4000m5000m
-1-4-4-4-7-6-7-9-8-9-13-9-8-9-5-6-111-4-1-2-6-3-4-7-4-6-10-6-5-8-3-3-8
Sunrise
6:56
6:56
6:56
6:56
6:56
Sunset
4:39
4:40
4:42
4:43
4:43
4:44
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Snow Radar

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Latest snow reports near Koumi Riekkusu Ski Valley:

  • 24 km away from Koumi Riekkusu Ski Valley

    7 hours ago
    weather station observation

    Rain and snow or hail reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine Ski Resort from Kirigamine

  • 24 km away from Koumi Riekkusu Ski Valley

    8 hours ago
    weather station observation

    Continuous light rain reported from Suwa at 762 metres elevation 7 kms SSW of Kirigamine but it is forecast cold enough for snow at the ski area from Kirigamine

Koumi Riekkusu Ski Valley Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:26 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (3) / good piste (3)


Snow History

Week 4 of December has on average:
0.5
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.6
Powder days
Fresh snow, limited sun, any wind.
1.4
Bluebird days
Average snow, mostly sunny, light wind.



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