Itoigawa Seaside Valley Weather (Next 3 days): The snow forecast for Itoigawa Seaside Valley is: Mild at first with light rain (total 8.0mm) on Fri night followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 9°C on Fri afternoon, min -5°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the W by Sat morning).
Itoigawa Seaside Valley Weather (Days 4-6): A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -1°C on Mon morning, min -6°C on Tue 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 | Tuesday 10 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | |  | | | | | | |  | | | |
snow shwrs | cloudy | some clouds | cloudy | cloudy | mod. snow | light snow | light snow | light snow | light snow | light snow | light snow | cloudy | light snow | light snow | mod. snow | light snow | snow shwrs | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
— | — | — | — | — | 9 | 3 | 2 | 5 | 2 | — | — | — | — | 5 | 10 | 2 | — | |
— | — | — | — | — | 8 | — | — | — | — | — | — | — | — | — | — | — | — | |
max °C | 0 | 1 | 3 | 8 | 9 | 6 | 0 | 0 | -2 | -2 | -2 | -4 | -1 | -1 | -2 | -3 | -3 | -5 |
min °C | -1 | 0 | 0 | 6 | 6 | 1 | 0 | -1 | -5 | -4 | -4 | -5 | -2 | -2 | -3 | -3 | -4 | -6 |
-5 | -2 | 0 | 5 | 4 | -4 | -6 | -7 | -12 | -10 | -9 | -8 | -2 | -2 | -5 | -8 | -9 | -10 | |
75 | 78 | 55 | 50 | 62 | 99 | 90 | 88 | 90 | 84 | 76 | 83 | 74 | 81 | 91 | 96 | 76 | 82 | |
600 | 850 | 1450 | 2000 | 2100 | 1450 | 800 | 700 | 250 | 300 | 550 | 0 | 450 | 650 | 400 | 300 | 400 | 0 | |
 | 6:13 | — | — | 6:13 | — | — | 6:11 | — | — | 6:09 | — | — | 6:09 | — | — | 6:07 | — | — |
 | — | 5:45 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:49 | — | — | 5:50 | — |
Mild at first with light rain (total 8.0mm) on Fri night followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 9°C on Fri afternoon, min -5°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the W by Sat morning).
A moderate fall of snow, heaviest on Tue morning. Temperatures will be below freezing (max -1°C on Mon morning, min -6°C on Tue 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: | 4 Mar 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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