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snowy resort
Ski Japan - Nagano

Komagane Kogen Snow Forecast

35.73° N 137.87° E

Weather Forecast for Komagane Kogen at 962m altitude

Issued:
2 pm 16 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 84.0mm), heaviest during Wed afternoon. Warm (max 23°C on Fri afternoon, min 15°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Light rain (total 4.0mm), mostly falling on Sat afternoon. Warm (max 23°C on Mon morning, min 16°C on Sun night). Wind will be generally light.

Wed
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
heavy rain
heavy rain
rain showers
thunderstorm
rain showers
clear
rain showers
part cloud
part cloud
rain showers
rain showers
light rain
part cloud
part cloud
clear
part cloud
part cloud
heavy rain
heavy rain
rain shwrs
t-storm
risk
rain shwrs
clear
rain shwrs
some clouds
some clouds
rain shwrs
rain shwrs
light rain
some clouds
some clouds
clear
some clouds
some clouds
km/h
5
NNE
5
NE
5
NNE
5
N
10
NNE
10
NNE
5
NNE
10
NNE
10
NNE
10
NNE
15
NNE
20
NNE
20
NNE
10
NNE
10
NNE
10
NNE
5
NNE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
24
53
3
2
1
1
2
1
1
max °C
18
17
21
22
17
22
23
17
22
22
17
18
20
17
23
23
16
min °C
17
16
17
19
15
17
20
16
18
19
17
17
18
16
19
19
16
 chill °C
17
16
17
19
15
17
20
16
18
19
17
16
18
16
19
19
16
Humid %
97
99
94
71
93
84
56
86
85
72
96
96
80
94
73
61
92
Freeze m
4450
4200
4200
4250
4500
4550
4500
4500
4650
4750
4750
4850
5000
4950
4950
4600
4700
Sea lvl1000m2000m3000m4000m5000m
18161820161921172020171819172121161816202015222115212016181916222115
Sunrise
5:31
5:31
5:33
5:33
5:35
Sunset
5:54
5:52
5:52
5:50
5:49
5:47

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network


Snow Radar

Latest snow reports near Komagane Kogen:

No recent snow reports

No recent snow reports

Komagane Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:18 Feb 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September 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.

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