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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  24 Dec 2025 (local time)

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New snow in Koumi Riekkusu Ski Valley

2.3cm0.9in
Thu 25th (PM)
The snow forecast for Koumi Riekkusu Ski Valley is: Mild with light rain (total 9.0mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 5°C on Wed afternoon, min -11°C on Fri night). Winds increasing (light winds from the W on Thu afternoon, fresh winds from the W by Fri afternoon).

Koumi Riekkusu Ski Valley Weather (Next 3 days): The snow forecast for Koumi Riekkusu Ski Valley is: Mild with light rain (total 9.0mm) on Thu afternoon Becoming colder with a light covering of snow, mostly falling on Thu afternoon. Freeze-thaw conditions (max 5°C on Wed afternoon, min -11°C on Fri night). Winds increasing (light winds from the W on Thu afternoon, fresh winds from the W by Fri afternoon).

Koumi Riekkusu Ski Valley Weather (Days 4-6): Mostly dry. Freeze-thaw conditions (max 1°C on Mon afternoon, min -7°C on Sat afternoon). Wind will be generally light.


Koumi Riekkusu Ski Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
3
20
light rain
Bottom Lift: 
4
10
light rain
6 Day Forecast
Issued: 2 pm 24 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Wed
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
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29
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 km/h
15
SW
10
SW
10
SW
5
W
15
WSW
25
NW
30
W
15
W
10
W
5
W
10
W
10
NW
5
W
10
S
15
SSW
15
SSW
20
WSW
Snow map
2
1
2
1
2
6
max °C
5
4
5
4
1
-8
-9
-11
-6
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-6
-2
-1
-3
0
1
-1
min °C
4
4
4
2
-6
-8
-10
-11
-9
-7
-7
-5
-2
-4
-3
0
-2
1
1
1
-1
-14
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-18
-13
-7
-10
-9
-4
-9
-8
-4
-8
86
91
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99
87
81
58
58
54
39
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33
49
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59
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Sea lvl1000m2000m3000m4000m5000m
4342-4-9-11-11-9-7-8-5-3-4-3-1-35454-2-6-8-10-6-6-8-2-2-500-3
Sunrise
6:54
6:54
6:54
6:54
6:56
Sunset
4:36
4:37
4:37
4:37
4:38
4:39
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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

    10 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:4cm
Last snowfall:23 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)


Snow History

Week 4 of December has on average:
0.7
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.4
Powder days
Fresh snow, limited sun, any wind.
2.9
Bluebird days
Average snow, mostly sunny, light wind.



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