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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: A light covering of new snow, mostly falling on Wed morning. Becoming milder with moderate rain (total 17.0mm) heaviest on Thu night. Freeze-thaw conditions (max 4°C on Thu morning, min -5°C on Wed afternoon). Wind will be generally light.
Itoigawa Seaside Valley Weather (Days 4-6): Mild at first with light rain (total 3.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 6°C on Mon morning, min -5°C on Mon night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Middle Lift: | -2 | | ||||
| Bottom Lift: | 0 |  |
Latest snow reports near Itoigawa Seaside Valley:
Freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Moderate to heavy freezing 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
Wednesday 14 | Thursday 15 | Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  | | |  | | | | |  | | | | |
mod. snow | snow shwrs | snow shwrs | cloudy | light rain | light snow | light snow | light snow | snow shwrs | some clouds | light snow | light snow | some clouds | some clouds | clear | some clouds | light rain | heavy snow | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
5 | 1 | — | — | — | 1 | 2 | 1 | — | — | 1 | 1 | — | — | — | — | — | 13 | |
— | — | — | — | 4 | 13 | — | — | — | — | — | — | — | — | — | — | 3 | — | |
max °C | -3 | -3 | -2 | 4 | 4 | 3 | 2 | 2 | 0 | 4 | 4 | 1 | 1 | 2 | 3 | 6 | 5 | 1 |
min °C | -4 | -5 | -4 | 2 | 3 | 2 | 2 | 0 | -1 | 2 | 2 | -1 | 1 | 0 | 1 | 5 | 3 | -5 |
-10 | -11 | -9 | -1 | -2 | -3 | -3 | -4 | -4 | -1 | 0 | -1 | 1 | 0 | 0 | 3 | 0 | -10 | |
91 | 78 | 77 | 68 | 93 | 97 | 95 | 93 | 69 | 59 | 79 | 96 | 69 | 77 | 64 | 57 | 82 | 98 | |
250 | 400 | 0 | 1100 | 1350 | 1350 | 1000 | 950 | 600 | 1150 | 1300 | 700 | 850 | 1100 | 1500 | 1850 | 1650 | 700 | |
 | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:58 | — | — | 6:58 | — | — |
 | — | 4:52 | — | — | 4:53 | — | — | 4:54 | — | — | 4:55 | — | — | 4:57 | — | — | 4:58 | — |
A light covering of new snow, mostly falling on Wed morning. Becoming milder with moderate rain (total 17.0mm) heaviest on Thu night. Freeze-thaw conditions (max 4°C on Thu morning, min -5°C on Wed afternoon). Wind will be generally light.
Mild at first with light rain (total 3.0mm) on Mon afternoon followed by colder weather and light fall of snow, heaviest on Mon night. Freeze-thaw conditions (max 6°C on Mon morning, min -5°C on Mon night). Wind will be generally light.
Latest snow reports near Itoigawa Seaside Valley:
Freezing rain reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen but it is forecast cold enough for snow at the ski area from Iizuna Kogen
Moderate to heavy freezing 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
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 13 Jan 2026 |
| Snow Alerts | Create Alert |
0.3 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
3.3 | Powder days Fresh snow, limited sun, any wind. |
0.5 | 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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