Next 3 days weather summary:Heavy rain (total 46.0mm), heaviest during Sat afternoon. Warm (max 27°C on Tue morning, min 22°C on Sat afternoon). Wind will be generally light. | Days 4-6 weather summary:Heavy rain (total 49.0mm), heaviest during Thu night. Warm (max 27°C on Tue afternoon, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | | | |  | | |  | |
heavy rain | rain shwrs | t-storm risk | mod. rain | rain shwrs | rain shwrs | t-storm risk | rain shwrs | rain shwrs | t-storm risk | rain shwrs | t-storm risk | t-storm risk | light rain | t-storm risk | mod. rain | heavy rain | |
km/h | |||||||||||||||||
Snow map |  |  |  |  |  |  | |||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 15 | 8 | 7 | 7 | 2 | 1 | 4 | 1 | 1 | 3 | 2 | 1 | 4 | 5 | 5 | 6 | 16 |
max °C | 22 | 23 | 25 | 24 | 23 | 26 | 26 | 23 | 27 | 27 | 24 | 27 | 26 | 24 | 25 | 23 | 21 |
min °C | 22 | 22 | 24 | 23 | 22 | 25 | 24 | 23 | 26 | 25 | 23 | 26 | 24 | 23 | 24 | 22 | 21 |
chill °C | 22 | 22 | 24 | 23 | 22 | 25 | 24 | 23 | 26 | 25 | 23 | 26 | 24 | 23 | 24 | 22 | 21 |
Humid % | 97 | 95 | 90 | 93 | 90 | 75 | 82 | 84 | 72 | 73 | 84 | 74 | 80 | 83 | 81 | 87 | 98 |
Freeze m | 5100 | 5150 | 5000 | 5050 | 5050 | 4950 | 5150 | 5050 | 5000 | 4950 | 4950 | 4950 | 4900 | 4800 | 4800 | 4750 | 4800 |
 | — | — | 5:16 | — | — | 5:16 | — | — | 5:18 | — | — | 5:18 | — | — | 5:20 | — | — |
 | 6:22 | — | — | 6:20 | — | — | 6:19 | — | — | 6:16 | — | — | 6:15 | — | — | 6:15 | — |
SnowProGo pro and carve into:
Avalanche information: Japan Avalanche Network
Latest snow reports near Itoigawa Seaside Valley:
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
0.0 | Bluebird Powder days Fresh snow, mostly sunny, light wind. |
|---|---|
0.0 | 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 490 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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