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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Heavy rain (total 34.0mm), mainly falling Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Wed morning, min -1°C on Thu night). Winds increasing (calm on Wed night, gales from the NW by Thu night).
Itoigawa Seaside Valley Weather (Days 4-6): A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Sun morning, min -9°C on Fri night). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sun afternoon).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Middle Lift: | -1 | | ||||
| Bottom Lift: | -2 | |
Latest snow reports near Itoigawa Seaside Valley:
Rain and snow or hail reported from Takada at 18 metres elevation only 2 kms E of Kanayasan Ski Resort from Kanayasan
Continuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
It is snowing steadily in Nozawa Onsen. from Nozawa Onsen
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  |  | |  |  |  | |  |  |  | |  |  | |
clear | clear | rain shwrs | rain shwrs | light rain | mod. rain | mod. rain | mod. rain | mod. snow | heavy snow | mod. snow | mod. snow | light snow | cloudy | snow shwrs | light snow | snow shwrs | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | — | — | — | 6 | 14 | 8 | 8 | — | — | 1 | 2 | — | — | |
— | — | 7 | 1 | 2 | 6 | 7 | 8 | 3 | — | — | — | — | — | — | — | — | — | |
max °C | 5 | 6 | 7 | 9 | 8 | 8 | 7 | 4 | 4 | -3 | -7 | -7 | -4 | -3 | -1 | 1 | 1 | -1 |
min °C | 2 | 5 | 5 | 8 | 8 | 7 | 7 | 4 | -1 | -6 | -7 | -9 | -6 | -4 | -4 | 0 | -1 | -1 |
1 | 3 | 2 | 6 | 7 | 7 | 7 | 3 | -8 | -16 | -17 | -15 | -9 | -7 | -7 | -4 | -1 | -3 | |
54 | 63 | 67 | 82 | 93 | 91 | 98 | 98 | 97 | 94 | 88 | 92 | 76 | 70 | 60 | 94 | 89 | 64 | |
1250 | 2000 | 2150 | 2350 | 2250 | 2250 | 1950 | 1450 | 1000 | 350 | 0 | 0 | 0 | 300 | 0 | 750 | 900 | 350 | |
 | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 6:58 | — | — | 7:00 | — | — |
 | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — |
Heavy rain (total 34.0mm), mainly falling Thu afternoon. Becoming colder with a light covering of snow, mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Wed morning, min -1°C on Thu night). Winds increasing (calm on Wed night, gales from the NW by Thu night).
A heavy fall of snow, heaviest during Fri morning. Freeze-thaw conditions (max 1°C on Sun morning, min -9°C on Fri night). Winds decreasing (strong winds from the WNW on Fri morning, calm by Sun afternoon).
Latest snow reports near Itoigawa Seaside Valley:
Rain and snow or hail reported from Takada at 18 metres elevation only 2 kms E of Kanayasan Ski Resort from Kanayasan
Continuous light rain reported from Takada at 18 metres elevation only 2 kms E of Kanayasan but it is forecast cold enough for snow at the ski area from Kanayasan
It is snowing steadily in Nozawa Onsen. from Nozawa Onsen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 7 cm |
| Last snowfall: | 22 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.7 | Powder days Fresh snow, limited sun, any wind. |
0.1 | 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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