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Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

36.94° N 137.90° E

Weather Forecast for Itoigawa Seaside Valley at 490 m altitude

Issued:
8 pm 03 Oct 2026 (local time)
Forecast update in:
 hr.  min.
Last 6 daysScroll left for last 6 daysNow
Sunday
4
Monday
5
Tuesday
6
Wednesday
7
Thursday
8
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
cloud
light rain
part cloud
cloud
part cloud
rain showers
mod rain
light rain
mod rain
rain showers
light rain
rain showers
part cloud
part cloud
clear
some clouds
cloudy
light rain
some clouds
cloudy
some clouds
rain shwrs
mod. rain
light rain
mod. rain
rain shwrs
light rain
rain shwrs
some clouds
some clouds
clear
km/h
5
SE
0
E
5
SE
5
S
5
S
5
SSE
5
SSW
5
NW
5
NNE
10
N
5
NW
10
NNW
5
E
0
N
5
NNE
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
—
—
1
—
—
—
1
6
3
7
2
2
3
—
—
—
max °C
15
19
19
16
18
19
17
17
16
15
15
15
14
18
17
15
min °C
14
17
17
15
18
18
17
17
15
13
13
14
12
16
16
15
 chill °C
14
17
17
15
18
18
17
17
15
12
13
14
12
16
16
15
Humid %
78
62
64
82
74
72
81
92
97
95
88
80
89
72
76
82
Freeze m
3700
3800
3450
3700
3850
4150
4150
4050
4100
3800
3650
3500
3500
3600
3700
3950
Sea lvl1000m2000m3000m4000m5000m
1317161517171616141313131215161414201916191917191716171614201714
Sunrise
—
5:45
—
—
5:46
—
—
5:47
—
—
5:48
—
—
5:48
—
—
Sunset
—
—
5:28
—
—
5:27
—
—
5:24
—
—
5:23
—
—
5:22
—

Next 4 days weather summary:

Moderate rain (total 11.0mm), heaviest on Tue morning. Very mild (max 19°C on Sun morning, min 14°C on Sat night). Wind will be generally light.

Days 5-7 weather summary:

Moderate rain (total 14.0mm), heaviest on Tue night. Warm (max 20°C on Fri morning, min 12°C on Wed night). Wind will be generally light.

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Avalanche information: Japan Avalanche Network

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Snow Radar

Latest snow reports near Itoigawa Seaside Valley:

No recent snow reports

No recent snow reports

Itoigawa Seaside Valley Snow Conditions

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

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Snow History

Week 1 of October 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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