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Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Drizzle on Tue afternoon followed by colder weather and a heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Mon night). Wind will be generally light.
Itoigawa Seaside Valley Weather (Days 4-6): Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 10°C on Sat night, min 0°C on Thu morning). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | 0 |  | ||||
| Middle Lift: | 2 |  | ||||
| Bottom Lift: | 4 | |
Latest snow reports near Itoigawa Seaside Valley:
Moderate to heavy 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
Light rain and snow reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Monday 15 | Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  | | | |  |  | |  |  | | | | |  | |
light snow | light snow | snow shwrs | cloudy | rain shwrs | mod. snow | light snow | light snow | light snow | some clouds | some clouds | clear | clear | clear | clear | cloudy | cloudy | light rain | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
5 | 1 | — | — | — | 7 | 2 | 4 | 3 | — | — | — | — | — | — | — | — | — | |
— | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
max °C | 0 | 0 | -2 | 4 | 3 | 2 | 2 | 1 | 0 | 2 | 3 | 2 | 7 | 7 | 7 | 9 | 9 | 10 |
min °C | 0 | -2 | -3 | 2 | 3 | 1 | 1 | 0 | -1 | 0 | 2 | 2 | 6 | 6 | 7 | 9 | 9 | 9 |
-6 | -6 | -6 | -1 | -1 | -1 | 1 | -2 | -1 | 0 | 0 | 0 | 5 | 5 | 6 | 8 | 9 | 8 | |
92 | 88 | 80 | 62 | 87 | 94 | 97 | 99 | 98 | 77 | 68 | 50 | 43 | 49 | 37 | 57 | 75 | 76 | |
750 | 700 | 0 | 1000 | 1250 | 950 | 950 | 950 | 750 | 800 | 1250 | 1800 | 2250 | 2550 | 2800 | 2600 | 2600 | 2700 | |
 | 6:52 | — | — | 6:54 | — | — | 6:54 | — | — | 6:54 | — | — | 6:56 | — | — | 6:56 | — | — |
 | — | 4:31 | — | — | 4:32 | — | — | 4:32 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — |
Drizzle on Tue afternoon followed by colder weather and a heavy fall of snow, heaviest during Tue night. Freeze-thaw conditions (max 4°C on Tue morning, min -3°C on Mon night). Wind will be generally light.
Some drizzle, heaviest during Sat night. Freeze-thaw conditions (max 10°C on Sat night, min 0°C on Thu morning). Wind will be generally light.
Latest snow reports near Itoigawa Seaside Valley:
Moderate to heavy 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
Light rain and snow 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: | 3 cm |
| Last snowfall: | 14 Dec 2025 |
| Snow Alerts | Create Alert |
0.4 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
2.2 | 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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