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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Deer Mountain at 1929 m altitude
Issued by Snow-Forecast.com at: 5 am (local time) / 20 Sep 2026
Next 3 days weather summary:Heavy rain (total 27.0mm), heaviest during Sun afternoon. Very mild (max 17°C on Tue afternoon, min 8°C on Sun night). Wind will be generally light. | Days 4-6 weather summary:Mostly dry. Warm (max 20°C on Wed afternoon, min 12°C on Thu night). Winds increasing (calm on Wed night, strong winds from the WSW by Fri night). | |||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | |  | | | |  | | | |  | |
light rain | heavy rain | light rain | light rain | light rain | some clouds | clear | clear | some clouds | some clouds | clear | some clouds | some clouds | cloudy | some clouds | clear | clear | clear | |
km/h | ||||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 4 | 14 | 5 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 10 | 10 | 9 | 9 | 10 | 9 | 15 | 17 | 15 | 19 | 20 | 15 | 18 | 18 | 14 | 18 | 19 | 17 |
min °C | 10 | 9 | 8 | 8 | 9 | 8 | 11 | 15 | 12 | 17 | 17 | 14 | 16 | 15 | 12 | 15 | 18 | 15 |
chill °C | 9 | 9 | 8 | 8 | 9 | 8 | 10 | 15 | 11 | 16 | 17 | 13 | 16 | 15 | 12 | 15 | 18 | 14 |
Humid % | 96 | 98 | 98 | 96 | 88 | 84 | 77 | 50 | 61 | 47 | 34 | 47 | 40 | 43 | 59 | 58 | 41 | 47 |
Freeze m | 3600 | 3550 | 3500 | 3400 | 3500 | 3750 | 3900 | 4050 | 4500 | 4400 | 4300 | 4350 | 4300 | 4250 | 4200 | 4300 | 4400 | 4650 |
 | 6:39 | — | — | 6:39 | — | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — |
 | — | 6:57 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — |
Days 7-16 weather summary:
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Avalanche information: National Avalanche Center
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Latest snow reports near Deer Mountain:
Deer Mountain Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 22 May 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - South Dakota 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. |
Deer Mountain Forecast Snowfall
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Other resorts in USA - South Dakota are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Deer Mountain at the specific elevation of 1929 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Deer Mountain. 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.
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