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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Moderate rain (total 14.0mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Wind will be generally light.
Itoigawa Seaside Valley Weather (Days 4-6): Heavy rain (total 23.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 13°C on Mon morning, min -5°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the WNW by Wed night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 4 |  | ||||
| Middle Lift: | 6 | | ||||
| Bottom Lift: | 8 | |
Latest snow reports near Itoigawa Seaside Valley:
Friday 28 | Saturday 29 | Sunday 30 | Monday 1 | Tuesday 2 | Wednesday 3 | Thursday 4 | |||||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
| |  |  | |  | | |  |  |  |  | | | |  |  |  | | |  | |
mod. rain | mod. rain | light snow | clear | clear | clear | clear | clear | some clouds | some clouds | light rain | rain shwrs | light rain | mod. rain | light snow | light snow | mod. snow | heavy snow | mod. snow | mod. snow | snow shwrs | |
km/h | |||||||||||||||||||||
Snow map |  |  |  |  |  |  |  | ||||||||||||||
— | — | 3 | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | 9 | 24 | 7 | 5 | 4 | |
8 | 6 | — | — | — | — | — | — | — | — | 1 | 4 | 2 | 7 | 9 | — | — | — | — | — | — | |
max°C | 5 | 4 | 2 | 5 | 5 | 5 | 10 | 10 | 8 | 13 | 10 | 9 | 7 | 7 | 4 | 1 | -1 | -3 | -3 | -3 | -3 |
min°C | 4 | 3 | 1 | 2 | 4 | 4 | 9 | 8 | 8 | 11 | 10 | 7 | 7 | 5 | 2 | 0 | -3 | -5 | -4 | -3 | -4 |
-1 | -1 | -2 | 2 | 2 | 2 | 7 | 7 | 7 | 10 | 8 | 6 | 6 | 2 | -2 | -6 | -10 | -13 | -11 | -10 | -8 | |
93 | 93 | 95 | 69 | 71 | 56 | 55 | 68 | 51 | 41 | 70 | 82 | 94 | 96 | 96 | 93 | 91 | 90 | 88 | 86 | 92 | |
1400 | 1250 | 950 | 1100 | 1550 | 2000 | 2400 | 2550 | 2600 | 2500 | 2450 | 2200 | 2050 | 1800 | 1200 | 850 | 600 | 200 | 250 | 350 | 300 | |
 | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:43 | — | — |
 | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — | — | 4:30 | — | — | 4:30 | — | — | 4:30 | — |
Moderate rain (total 14.0mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri night. Very mild (max 10°C on Sun morning, min 1°C on Fri night). Wind will be generally light.
Heavy rain (total 23.0mm) on Tue afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 13°C on Mon morning, min -5°C on Wed night). Winds increasing (calm on Tue morning, fresh winds from the WNW by Wed night).
Latest snow reports near Itoigawa Seaside Valley:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 18 Nov 2025 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.2 | Powder days Fresh snow, limited sun, any wind. |
0.0 | Bluebird days Average snow, mostly sunny, light wind. |
The above table gives the weather forecast for Itoigawa Seaside Valley at the specific elevation of 740 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Itoigawa Seaside Valley. To access the weather forecasts for the other elevations, use the tab navigation above the table. For a wider view of the weather, check out the Weather Map of Japan.
Click here to read further information on freezing levels and how we forecast our temperatures.
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