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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Lost Valley at 36 m altitude
Issued by Snow-Forecast.com at: 7 am (local time) / 19 Sep 2026
Next 3 days weather summary:Light rain (total 6.0mm), mostly falling on Sun afternoon. Warm (max 20°C on Sat afternoon, min 7°C on Mon night). Wind will be generally light. | Days 4-6 weather summary:Mostly dry. Very mild (max 18°C on Thu afternoon, min 6°C on Wed 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 | cloudy | light rain | rain shwrs | clear | some clouds | some clouds | cloudy | clear | clear | clear | clear | clear | some clouds | some clouds | cloudy | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | 3 | 3 | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 14 | 20 | 12 | 15 | 13 | 10 | 16 | 18 | 12 | 11 | 17 | 12 | 12 | 17 | 11 | 12 | 18 | 13 |
min °C | 9 | 18 | 8 | 10 | 11 | 10 | 10 | 16 | 7 | 7 | 16 | 7 | 6 | 16 | 7 | 6 | 17 | 11 |
chill °C | 8 | 18 | 6 | 9 | 11 | 9 | 9 | 15 | 4 | 4 | 16 | 3 | 2 | 15 | 3 | 2 | 16 | 8 |
Humid % | 42 | 27 | 77 | 59 | 94 | 95 | 51 | 43 | 70 | 53 | 32 | 67 | 65 | 38 | 80 | 63 | 42 | 64 |
Freeze m | 3150 | 3300 | 3200 | 2700 | 2900 | 3100 | 3700 | 3700 | 3500 | 3000 | 3150 | 3450 | 3350 | 3400 | 3550 | 3550 | 3600 | 3600 |
 | 6:24 | — | — | 6:24 | — | — | 6:26 | — | — | 6:26 | — | — | 6:28 | — | — | 6:30 | — | — |
 | — | 6:45 | — | — | 6:43 | — | — | 6:40 | — | — | 6:38 | — | — | 6:37 | — | — | 6:35 | — |
Days 7-16 weather summary:
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Avalanche information: National Avalanche Center
Popular Lost Valley Pages
Snow Radar
Latest snow reports near Lost Valley:
Lost Valley Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 7 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Maine 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. |
Lost Valley Forecast Snowfall
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Other resorts in USA - Maine are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Lost Valley at the specific elevation of 36 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Lost 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 United States.
Click here to read further information on freezing levels and how we forecast our temperatures.
Visitor Reviews of Lost Valley
Overall 4.8 Based on 1 vote and 1 review
- Snowsure
- Variety of pistes
- Vote
- Melinda Chadbourne from United States writes:
Lost Valley is a great place to spend the day with your family. They have an excellent ski school and the mountain is just the right size for learning and intermediate skiing families.
Visitor Reviews of Lost Valley
Melinda Chadbourne from United States writes:
Lost Valley is a great place to spend the day with your family. They have an excellent ski school and the mountain is just the right size for learning and intermediate skiing families.
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