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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Black River Basin at 500 m altitude
Issued by Snow-Forecast.com at: 12 am (local time) / 18 Sep 2026
Next 4 days weather summary:Light rain (total 2.0mm), mostly falling on Fri night. Very mild (max 15°C on Fri morning, min 10°C on Sat night). Wind will be generally light. | Days 5-7 weather summary:Mostly dry. Very mild (max 16°C on Tue afternoon, min 5°C on Mon night). Wind will be generally light. | |||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||
night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  | |  | | | |  |  | | | | |  | |  | |
some clouds | cloudy | cloudy | light rain | cloudy | cloudy | some clouds | light rain | some clouds | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | |
km/h | ||||||||||||||||
Snow map |  |  |  |  |  |  | ||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — |
max °C | 13 | 15 | 15 | 13 | 14 | 14 | 12 | 12 | 12 | 8 | 13 | 14 | 8 | 14 | 16 | 8 |
min °C | 11 | 13 | 14 | 12 | 13 | 13 | 10 | 12 | 11 | 7 | 10 | 11 | 5 | 11 | 11 | 6 |
chill °C | 11 | 12 | 14 | 11 | 12 | 12 | 8 | 10 | 9 | 5 | 8 | 10 | 3 | 9 | 10 | 5 |
Humid % | 89 | 76 | 73 | 86 | 84 | 90 | 84 | 93 | 76 | 72 | 48 | 39 | 70 | 39 | 31 | 61 |
Freeze m | 4050 | 3850 | 3800 | 3650 | 3900 | 3900 | 3750 | 3750 | 3850 | 3700 | 3400 | 3400 | 3450 | 3550 | 3600 | 3550 |
 | — | 6:41 | — | — | 6:43 | — | — | 6:43 | — | — | 6:45 | — | — | 6:46 | — | — |
 | — | — | 7:07 | — | — | 7:05 | — | — | 7:02 | — | — | 7:00 | — | — | 6:59 | — |
Days 7-16 weather summary:
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Avalanche information: National Avalanche Center
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Latest snow reports near Black River Basin:
Black River Basin Snow Conditions
| Top snow depth: | — |
|---|---|
| Bottom snow depth: | — |
| Fresh snowfall depth: | — |
| Last snowfall: | 6 Apr 2026 |
| Snow Alerts | Create Alert |
Other resorts in USA - Michigan 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. |
Black River Basin Forecast Snowfall
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Other resorts in USA - Michigan are reporting: powder (0) / good piste (0)
The above table gives the weather forecast for Black River Basin at the specific elevation of 500 m. Our sophisticated weather models allow us to provide snow forecasts for the top, middle and bottom ski stations of Black River Basin. 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.
Resort name is also written as Blackjack Ski Area.
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