comScore pixel
snowy resort
Ski Japan - Niigata

Itoigawa Seaside Valley Snow Forecast

36.94° N 137.90° E
490m altitude
Issued:
8 am 25 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 134.0mm), heaviest during Thu morning. Warm (max 29°C on Tue morning, min 20°C on Thu morning). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 27.0mm), heaviest during Sun afternoon. Warm (max 26°C on Sun morning, min 21°C on Fri night). Wind will be generally light.

Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
29
Sunday
30
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
thunderstorm
rain showers
rain showers
thunderstorm
heavy rain
heavy rain
heavy rain
rain showers
rain showers
thunderstorm
part cloud
light rain
light rain
rain showers
light rain
mod rain
rain showers
rain shwrs
t-storm
risk
rain shwrs
rain shwrs
t-storm
risk
heavy rain
heavy rain
heavy rain
rain shwrs
rain shwrs
t-storm
risk
some clouds
light rain
light rain
rain shwrs
light rain
mod. rain
rain shwrs
km/h
5
W
10
W
5
SW
5
W
5
NW
5
S
5
NE
5
SW
5
WSW
5
WNW
5
NNW
0
E
0
E
5
ENE
5
SSW
5
WSW
5
W
10
SSW
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
1
2
3
1
3
52
53
18
1
1
2
1
2
2
1
10
8
max °C
29
28
25
27
28
23
21
20
21
24
23
22
24
24
23
26
25
24
min °C
28
26
24
26
25
22
20
20
20
23
22
21
24
24
23
25
24
23
 chill °C
28
26
24
26
25
22
20
20
20
23
22
21
24
24
23
25
24
23
Humid %
59
72
78
73
73
91
99
92
81
74
86
88
78
78
88
81
85
89
Freeze m
5000
5000
5000
5100
5000
4850
4850
4600
4550
4450
4650
4750
4850
5050
5050
5050
5100
5150
Sea lvl1000m2000m3000m4000m5000m
272523262522191920222220222322242322312824292823212021262422262523282624
Sunrise
5:11
5:13
5:13
5:15
5:16
5:16
Sunset
6:27
6:25
6:24
6:22
6:22
6:20

Days 7-16 weather summary:

Interested in the 16-day Forecast? Unlock the full forecast and many more features by becoming a Pro member.

Go pro and carve into:

  • Hourly & 16-day snow forecasts
  • Fast, ad-free browsing
  • Unlock full access on app & web
  • Exclusive member discounts
  • 20+ years of snow history
  • Snow hindcasts

Avalanche information: Japan Avalanche Network

Popular Itoigawa Seaside Valley Pages

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

Snow-Forecast Partner Offers

Snow History

Week 4 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.


Snow-Forecast Partner Offers


Map placeholder