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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Light rain (total 9.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Thu morning, min -5°C on Fri morning). Winds increasing (light winds from the W on Wed afternoon, fresh winds from the WNW by Thu night).
Itoigawa Seaside Valley Weather (Days 4-6): Heavy rain (total 25.0mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Mon morning. Freeze-thaw conditions (max 3°C on Sun afternoon, min -5°C on Fri afternoon). Winds increasing (calm on Sat afternoon, near gales from the NW by Sun night).
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -1 |  | ||||
| Middle Lift: | 0 | | ||||
| Bottom Lift: | 1 | |
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Tue 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | |  |  |  |  | |  | | |  | | |
snow shwrs | clear | rain shwrs | snow shwrs | cloudy | some clouds | some clouds | heavy snow | mod. snow | light snow | light snow | snow shwrs | cloudy | light snow | light snow | heavy rain | snow shwrs | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
— | — | — | 1 | — | — | — | 24 | 6 | 5 | 4 | — | — | — | — | — | 3 | |
— | — | 1 | 2 | — | — | — | 6 | — | — | — | — | — | — | 3 | 12 | 10 | |
max °C | 1 | 0 | 3 | 2 | 3 | 7 | 7 | 3 | -5 | -4 | -5 | -1 | -1 | 1 | 2 | 3 | 3 |
min °C | -1 | -1 | 2 | 2 | 1 | 5 | 5 | -4 | -5 | -5 | -5 | -3 | -4 | -2 | 2 | 3 | 1 |
-4 | -4 | -1 | 0 | -2 | 3 | 2 | -12 | -13 | -11 | -10 | -6 | -4 | -4 | 0 | 1 | -6 | |
81 | 70 | 75 | 94 | 67 | 46 | 53 | 97 | 90 | 89 | 92 | 76 | 82 | 68 | 81 | 97 | 89 | |
850 | 550 | 1100 | 1100 | 1150 | 1700 | 1800 | 700 | 0 | 0 | 0 | 350 | 550 | 550 | 1100 | 1350 | 1050 | |
 | — | — | 6:48 | — | — | 6:50 | — | — | 6:50 | — | — | 6:52 | — | — | 6:52 | — | — |
 | 4:30 | — | — | 4:30 | — | — | 4:30 | — | — | 4:31 | — | — | 4:31 | — | — | 4:31 | — |
Light rain (total 9.0mm) on Thu night. Becoming colder with heavy fall of snow, heaviest during Thu night. Freeze-thaw conditions (max 7°C on Thu morning, min -5°C on Fri morning). Winds increasing (light winds from the W on Wed afternoon, fresh winds from the WNW by Thu night).
Heavy rain (total 25.0mm) on Sun afternoon. Becoming colder with heavy fall of snow, heaviest during Mon morning. Freeze-thaw conditions (max 3°C on Sun afternoon, min -5°C on Fri afternoon). Winds increasing (calm on Sat afternoon, near gales from the NW by Sun night).
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
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 1 cm |
| Last snowfall: | 8 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.3 | 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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