Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Light rain (total 2.0mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 6°C on Mon morning, min -9°C on Tue night). Wind will be generally light.
Itoigawa Seaside Valley Weather (Days 4-6): A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat morning, min -8°C on Thu afternoon). Winds increasing (calm on Sat morning, fresh winds from the WNW by Sat night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 5 |  | ||||
| Middle Lift: | 6 | | ||||
| Bottom Lift: | 7 | |
Latest snow reports near Itoigawa Seaside Valley:
There are snow showers at Happo One. Light winds here. Temperatures are around freezing. Only a dusting of new snow. from Happo One
Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  |  |  |  |  |  | | |  | | | | | | | | | |
some clouds | light rain | heavy snow | mod. snow | light snow | mod. snow | snow shwrs | light snow | heavy snow | heavy snow | mod. snow | heavy snow | light snow | light snow | heavy snow | mod. snow | heavy snow | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | 13 | 8 | 5 | 5 | — | — | 29 | 12 | 9 | 15 | 3 | 1 | 18 | 6 | 12 | 41 | |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 6 | 5 | 4 | -6 | -6 | -8 | -6 | -6 | -7 | -7 | -7 | -7 | -5 | -5 | -4 | -3 | -3 | -5 |
min °C | 5 | 3 | -5 | -6 | -7 | -9 | -7 | -7 | -7 | -7 | -8 | -8 | -7 | -5 | -5 | -4 | -4 | -7 |
2 | 0 | -11 | -12 | -13 | -14 | -11 | -10 | -10 | -14 | -16 | -15 | -11 | -9 | -10 | -6 | -11 | -16 | |
53 | 65 | 99 | 94 | 88 | 92 | 72 | 81 | 95 | 89 | 86 | 93 | 87 | 77 | 96 | 94 | 90 | 96 | |
1750 | 1550 | 1050 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 150 | 0 | 150 | 300 | 0 | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:58 | — | — | 4:59 | — | — | 5:00 | — | — | 5:00 | — | — | 5:01 | — | — | 5:04 | — |
Light rain (total 2.0mm) on Mon afternoon. Becoming colder with heavy fall of snow, heaviest during Wed night. Freeze-thaw conditions (max 6°C on Mon morning, min -9°C on Tue night). Wind will be generally light.
A heavy fall of snow, heaviest during Sat night. Temperatures will be below freezing (max -3°C on Sat morning, min -8°C on Thu afternoon). Winds increasing (calm on Sat morning, fresh winds from the WNW by Sat night).
Latest snow reports near Itoigawa Seaside Valley:
There are snow showers at Happo One. Light winds here. Temperatures are around freezing. Only a dusting of new snow. from Happo One
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 17 Jan 2026 |
| Snow Alerts | Create Alert |
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.4 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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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