Big Sky Weather
Weather Forecast for Big Sky (2,070m to 3,410m)
Weather Outlook from 11 October.
Big Sky Forecast
See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.
Big Sky Weather Forecast updated at 10:54 AEDT, next update expected imminently.
Long-range Snow Outlook for Big Sky
Snowfall
Snow Line
Max 13℃
Min -4℃
23cm New Snow
Snow Line from 2,909m to resort level (2,070m).
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Powder Alert!
Powder Alarm issued 11 October 2026 14:45 AEDT
Powder Possible :- 21cm of Fresh Snow is forecast for Big Sky over the next 2 days.
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Big Sky Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sun 11 |  | 2cm to 18cm New Snow | Max 7℃ Min 0℃ |
| Mon 12 |  | 5cm New Snow | Max 4℃ Min -4℃ |
| Tue 13 |  | Cloudy. | Max 7℃ Min -3℃ |
| Wed 14 |  | Clear sky. | Max 9℃ Min -4℃ |
| Thu 15 | | Clear sky. | Max 8℃ Min -2℃ |
| Fri 16 | | Cloudy. | Max 11℃ Min -2℃ |
| Sat 17 |  | Fair. | Max 13℃ Min 0℃ |
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This Snow Forecast for Big Sky, United States gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Big Sky, on any given trail or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Big Sky Weather Forecast updated at 10:54 AEDT, next update expected imminently.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.United States Accommodation (Apartments, Chalets, Hotels) Map
For more information about this American Ski Resort, See Also Skiing and Snowboarding in Big Sky .
Off-Piste Safety in Big Sky
Before skiing or snowboarding off-piste in Big Sky, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.