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Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

Lat Long: 36.94° N 137.90° E

Weather Forecast for Itoigawa Seaside Valley at 490m altitude

Issued: 8 pm 22 Jun 2026 (local time)

Forecast update in  hr  min

Last 6 daysScroll left for last 6 daysNow

Next 4 days weather summary:

Light rain (total 9.0mm), mostly falling on Mon night. Warm (max 23°C on Thu morning, min 15°C on Tue night). Wind will be generally light.

Days 5-7 weather summary:

Heavy rain (total 42.0mm), heaviest during Thu night. Warm (max 24°C on Sat morning, min 17°C on Fri night). Winds increasing (calm on Fri night, fresh winds from the WSW by Sun morning).

Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
rain showers
rain showers
clear
part cloud
rain showers
light rain
cloud
part cloud
heavy rain
mod rain
rain showers
rain showers
part cloud
light rain
mod rain
light rain
rain shwrs
rain shwrs
clear
some clouds
rain shwrs
light rain
cloudy
some clouds
heavy rain
mod. rain
rain shwrs
rain shwrs
some clouds
light rain
mod. rain
km/h
5
NW
5
N
5
N
5
S
5
NE
5
NNE
5
S
5
S
5
SSE
10
S
10
SW
15
W
5
WSW
5
NNE
5
NE
10
SSE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
4
2
1
1
1
14
6
3
1
2
7
max °C
17
18
18
16
21
21
19
23
23
21
20
19
18
24
22
21
min °C
16
17
17
15
20
19
19
21
22
19
20
18
17
21
22
19
 chill °C
16
17
17
15
20
19
19
21
22
19
20
18
17
21
22
19
Humid %
96
83
84
86
70
73
82
66
67
83
95
92
84
66
69
71
Freeze m
3650
3700
3650
3600
3750
3850
4000
4150
4300
4550
4400
4100
3900
4350
4350
5000
Sea lvl1000m2000m3000m4000m5000m
1516161519191820211919171721211918201916232219242320212017252219
Sunrise
4:28
4:28
4:30
4:30
4:30
Sunset
7:10
7:10
7:10
7:10
7:10

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

Popular Itoigawa Seaside Valley Pages

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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 4 of June 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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