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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Heavy rain (total 25.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Tue morning, min -3°C on Sun night). Mainly fresh winds.
Itoigawa Seaside Valley Weather (Days 4-6): A light covering of new snow, mostly falling on Wed morning will be washed away by heavy rain (total 40.0mm) on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -4°C on Wed night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -3 |  | ||||
| Middle Lift: | -1 | | ||||
| Bottom Lift: | 1 | |
Latest snow reports near Itoigawa Seaside Valley:
It is snowing steadily in Tsugaike Kogen. from Tsugaike Kogen
Great snow conditions throughout area. Cloudy and snowy today. from Ikenotaira Onsen Alpenblick
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Continuous light 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
Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | Thursday 15 | Friday 16 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  |  |  | | | |  |  |  |  | | | | |
light snow | heavy snow | heavy snow | snow shwrs | clear | rain shwrs | mod. rain | heavy rain | heavy snow | light snow | snow shwrs | snow shwrs | cloudy | light rain | heavy rain | mod. rain | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
2 | 17 | 17 | 1 | — | — | — | — | 10 | 4 | 2 | — | — | — | — | — | — | — | |
7 | — | — | — | — | 1 | 6 | 11 | — | — | — | — | — | 5 | 26 | 7 | 2 | — | |
max °C | 2 | -1 | -2 | 1 | 2 | 2 | 5 | 5 | 0 | 2 | 2 | 0 | 5 | 5 | 5 | 4 | 3 | -1 |
min °C | 1 | -2 | -3 | -2 | -3 | -3 | 4 | 2 | -1 | 0 | -3 | -4 | 4 | 4 | 4 | 4 | 1 | -4 |
-4 | -8 | -10 | -6 | -7 | -7 | 1 | -3 | -5 | -4 | -7 | -8 | 2 | 1 | 1 | 0 | -2 | -6 | |
86 | 95 | 84 | 86 | 70 | 68 | 88 | 85 | 92 | 95 | 89 | 73 | 70 | 83 | 96 | 93 | 90 | 81 | |
500 | 100 | 0 | 0 | 500 | 500 | 1000 | 950 | 250 | 250 | 450 | 0 | 1150 | 1400 | 1300 | 800 | 650 | 0 | |
 | 7:01 | — | — | 7:01 | — | — | 7:01 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — |
 | — | 4:50 | — | — | 4:51 | — | — | 4:52 | — | — | 4:52 | — | — | 4:53 | — | — | 4:54 | — |
Heavy rain (total 25.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun afternoon. Freeze-thaw conditions (max 5°C on Tue morning, min -3°C on Sun night). Mainly fresh winds.
A light covering of new snow, mostly falling on Wed morning will be washed away by heavy rain (total 40.0mm) on Thu night. Freeze-thaw conditions (max 5°C on Thu morning, min -4°C on Wed night). Wind will be generally light.
Latest snow reports near Itoigawa Seaside Valley:
It is snowing steadily in Tsugaike Kogen. from Tsugaike Kogen
Great snow conditions throughout area. Cloudy and snowy today. from Ikenotaira Onsen Alpenblick
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Continuous light 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
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 5 cm |
| Last snowfall: | 10 Jan 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.0 | 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 240 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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