Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Drizzle on Fri night followed by colder weather and a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 8°C on Fri morning, min -4°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the WSW by Sat morning).
Itoigawa Seaside Valley Weather (Days 4-6): A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -1°C on Sun afternoon, min -5°C on Sun night). Wind will be generally light.
| Resort | Snow Depth | Temp. (°C) | Wind (km/h) | Weather | ||
|---|---|---|---|---|---|---|
| Top Lift: | -2 |  | ||||
| Middle Lift: | -1 | | ||||
| Bottom Lift: | 1 | |
Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
|  | |  |  | |  |  |  | | | | | | |  | |
light snow | some clouds | some clouds | some clouds | cloudy | cloudy | mod. snow | snow shwrs | light snow | mod. snow | light snow | light snow | light snow | cloudy | light snow | heavy snow | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
2 | — | — | — | — | — | 8 | 2 | 4 | 9 | 1 | — | — | — | — | 14 | |
— | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
max °C | -2 | 0 | 1 | 2 | 8 | 8 | 6 | 1 | 0 | -2 | -2 | -1 | -4 | -1 | -1 | -2 |
min °C | -4 | -1 | 0 | -1 | 6 | 7 | 2 | 1 | -1 | -4 | -3 | -4 | -5 | -2 | -1 | -3 |
-9 | -4 | 0 | -1 | 5 | 5 | -3 | -5 | -7 | -11 | -9 | -9 | -8 | -2 | -1 | -8 | |
94 | 74 | 76 | 56 | 50 | 64 | 85 | 89 | 90 | 93 | 83 | 75 | 83 | 73 | 83 | 98 | |
400 | 600 | 800 | 850 | 2000 | 2050 | 1800 | 850 | 700 | 300 | 300 | 550 | 0 | 500 | 650 | 400 | |
 | — | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — |
 | — | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — |
Drizzle on Fri night followed by colder weather and a moderate fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 8°C on Fri morning, min -4°C on Wed night). Winds increasing (calm on Thu afternoon, fresh winds from the WSW by Sat morning).
A heavy fall of snow, heaviest during Mon night. Temperatures will be below freezing (max -1°C on Sun afternoon, min -5°C on Sun night). Wind will be generally light.
Latest snow reports near Itoigawa Seaside Valley:
Rain and snow or hail reported from Nagano at 120 metres elevation 8 kms SE of Iizuna Kogen Ski Resort from Iizuna Kogen
Snow falling at Myoko Suginohara. from Myoko Suginohara
Snowing heavily at Akakura Onsen. from Akakura Onsen
Heavy snow is falling in Akakura Onsen. from Akakura Onsen
It is snowing steadily in Akakura Onsen. from Akakura Onsen
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | 2 cm |
| Last snowfall: | 18 Feb 2026 |
| Snow Alerts | Create Alert |
0.6 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
1.8 | Powder days Fresh snow, limited sun, any wind. |
0.2 | 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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