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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Seythenex at 1151 m altitude
Issued by Snow-Forecast.com at: 1 am (local time) / 19 Sep 2026
Next 3 days weather summary:Mostly dry. Warm (max 21°C on Sun afternoon, min 9°C on Sat morning). Wind will be generally light. | Days 4-6 weather summary:Mostly dry. Very mild (max 19°C on Wed afternoon, min 9°C on Tue morning). Wind will be generally light. | |||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  | | |  |  | | | | | | | | | | | | |
clear | clear | some clouds | clear | clear | clear | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | some clouds | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 15 | 19 | 13 | 17 | 21 | 14 | 16 | 19 | 13 | 14 | 18 | 12 | 16 | 19 | 13 | 16 | 18 | 12 |
min °C | 9 | 18 | 11 | 12 | 19 | 11 | 11 | 18 | 10 | 9 | 17 | 10 | 10 | 18 | 10 | 10 | 18 | 9 |
chill °C | 9 | 18 | 11 | 12 | 19 | 10 | 11 | 18 | 10 | 9 | 17 | 10 | 10 | 18 | 10 | 10 | 18 | 8 |
Humid % | 64 | 49 | 62 | 54 | 50 | 61 | 58 | 52 | 75 | 66 | 49 | 60 | 57 | 50 | 56 | 54 | 47 | 60 |
Freeze m | 3850 | 3900 | 4000 | 4150 | 4200 | 4250 | 4250 | 4400 | 4400 | 4350 | 4350 | 4250 | 4000 | 3900 | 4050 | 4150 | 4250 | 4100 |
 | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — | 7:22 | — | — | 7:22 | — | — |
 | — | 7:38 | — | — | 7:37 | — | — | 7:35 | — | — | 7:32 | — | — | 7:30 | — | — | 7:29 | — |
Days 7-16 weather summary:
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Avalanche information: European Avalanche Warning Services (EAWS)
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Latest snow reports near Seythenex:
Seythenex Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 16 May 2026 |
| Snow Alerts | Create Alert |
Other resorts in France 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. |
Seythenex Forecast Snowfall
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Other resorts in France are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Seythenex at the specific elevation of 1151 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Seythenex. 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 France.
Click here to read further information on freezing levels and how we forecast our temperatures.
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