New €155m Les Grands Montets Lift Begins Opening This Winter
Closed since the devastating 2018 fire, the first part of the flagship new Grands Montets lift above Argentière in the Chamonix Valley is set to open this December.
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Itoigawa Seaside Valley at 490 m altitude
Issued by Snow-Forecast.com at: 8 pm (local time) / 19 Sep 2026
Next 4 days weather summary:Heavy rain (total 35.0mm), heaviest during Mon night. Warm (max 23°C on Sun morning, min 18°C on Tue afternoon). Wind will be generally light. | Days 5-7 weather summary:Moderate rain (total 16.0mm), heaviest on Fri morning. Warm (max 23°C on Thu morning, min 15°C on Tue night). Wind will be generally light. | |||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | |  |  |  | |  |  | | | | | | |
light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | cloudy | heavy rain | mod. rain | rain shwrs | clear | clear | clear | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 5 | 2 | 2 | 1 | 1 | — | 17 | 6 | 1 | — | — | — | 1 | 1 | 2 | 3 |
max °C | 21 | 23 | 22 | 21 | 22 | 22 | 21 | 19 | 19 | 17 | 22 | 22 | 19 | 23 | 23 | 20 |
min °C | 20 | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 15 | 20 | 19 | 18 | 22 | 21 | 20 |
chill °C | 20 | 22 | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 15 | 20 | 19 | 18 | 22 | 21 | 20 |
Humid % | 91 | 83 | 92 | 88 | 88 | 93 | 98 | 95 | 79 | 72 | 51 | 59 | 70 | 70 | 73 | 87 |
Freeze m | 4600 | 4600 | 4900 | 5100 | 5150 | 5300 | 5050 | 4600 | 4750 | 4750 | 4500 | 4300 | 4100 | 4100 | 4350 | 4250 |
 | — | 5:33 | — | — | 5:33 | — | — | 5:35 | — | — | 5:35 | — | — | 5:37 | — | — |
 | — | — | 5:49 | — | — | 5:47 | — | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — |
Days 7-16 weather summary:
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Avalanche information: Japan Avalanche Network
Popular Itoigawa Seaside Valley Pages
Snow Radar
Latest snow reports near Itoigawa Seaside Valley:
Itoigawa Seaside Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
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Snow History
Week 3 of September has on average:
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. |
Itoigawa Seaside Valley Forecast Snowfall
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Other resorts in Japan - Niigata are reporting: powder (0) / good piste (0)
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.
Visitor Reviews of Itoigawa Seaside Valley
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