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snowy resort
Lat Long: 36.94° N 137.90° E
Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

Weather Forecast for Itoigawa Seaside Valley at 740m altitude

Issued: 2 am 13 Aug 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 37.0mm), heaviest during Sat afternoon. Warm (max 25°C on Thu morning, min 21°C on Thu night). Wind will be generally light.

Days 4-6 weather summary:

Moderate rain (total 18.0mm), heaviest on Sun afternoon. Warm (max 26°C on Tue morning, min 21°C on Sun night). Wind will be generally light.

Thursday
13
Friday
14
Saturday
15
Sunday
16
Monday
17
Tuesday
18
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
thunderstorm
rain showers
rain showers
thunderstorm
mod rain
thunderstorm
mod rain
rain showers
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
rain showers
part cloud
rain showers
clear
some clouds
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
mod. rain
t-storm
risk
mod. rain
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
rain shwrs
some clouds
rain shwrs
clear
km/h
10
S
0
SSE
10
S
5
S
0
NNE
5
S
0
S
0
ENE
5
S
0
NNW
5
ESE
5
S
0
WNW
5
NE
5
SSW
0
SW
0
ENE
5
S
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
1
1
6
9
4
9
4
2
6
1
1
5
1
2
max °C
25
25
22
25
25
22
24
24
22
23
23
22
24
24
22
26
25
24
min °C
23
23
21
24
24
21
23
23
21
23
23
21
23
22
22
24
24
23
 chill °C
23
23
21
24
24
21
23
23
21
23
23
21
23
22
22
24
24
23
Humid %
62
63
80
70
73
83
76
80
85
77
83
84
79
82
85
70
73
80
Freeze m
4700
4550
4700
4750
4750
4750
4750
4800
4750
4800
4850
4950
5000
5050
5200
5250
5200
5300
Sea lvl1000m2000m3000m4000m5000m
242422252522242422232322242322252524292723292723282523282622282623292824
Sunrise
5:01
5:03
5:03
5:05
5:05
5:07
Sunset
6:43
6:42
6:39
6:38
6:37
6:37

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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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
Snow AlertsCreate Alert
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)

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Snow History

Week 2 of August 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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