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Shirakaba Kogen Kokusai resort snow
Ski Japan - Nagano

Shirakaba Kogen Kokusai Snow Forecast

36.13° N 138.27° E

Weather Forecast for Shirakaba Kogen Kokusai at 1700 m altitude

Issued:
2 pm 26 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 31.0mm), heaviest during Mon night. Very mild (max 14°C on Sun morning, min 10°C on Sat afternoon). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 39.0mm), heaviest during Thu afternoon. Very mild (max 16°C on Wed afternoon, min 9°C on Tue night). Wind will be generally light.

Sat
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
light rain
cloud
thunderstorm
light rain
light rain
light rain
heavy rain
cloud
light rain
rain showers
clear
clear
clear
light rain
heavy rain
heavy rain
light rain
light rain
cloudy
t-storm
risk
light rain
light rain
light rain
heavy rain
cloudy
light rain
rain shwrs
clear
clear
clear
light rain
heavy rain
heavy rain
km/h
10
SSW
10
SW
5
SW
5
S
15
SW
20
SW
15
WSW
15
W
10
W
10
W
10
W
5
SW
5
SSW
10
SSW
10
SW
5
W
10
SW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
3
4
—
5
2
2
4
11
—
2
1
—
—
—
3
14
19
max °C
11
11
14
14
13
13
12
11
11
11
10
15
16
12
13
12
12
min °C
10
11
13
13
13
12
11
11
11
10
9
10
13
11
12
12
12
 chill °C
9
10
13
13
12
10
9
9
10
9
8
10
12
10
11
12
11
Humid %
99
98
88
84
86
85
82
96
88
81
78
73
43
80
76
98
100
Freeze m
4000
4100
4300
4150
4250
4050
4250
4200
4050
4000
4050
4450
4450
4500
4550
4300
4500
Sea lvl1000m2000m3000m4000m5000m
101113131212121011119121412121111111115141213121112119151510141211
Sunrise
—
—
5:37
—
—
5:37
—
—
5:39
—
—
5:39
—
—
5:41
—
—
Sunset
5:38
—
—
5:37
—
—
5:36
—
—
5:34
—
—
5:32
—
—
5:30
—

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Shirakaba Kogen Kokusai:

No recent snow reports

No recent snow reports

Shirakaba Kogen Kokusai Snow Conditions

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

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Snow History

Week 4 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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