Big Sky Weather
Weather Forecast for Big Sky (2,070m to 3,410m)
Weather Outlook from 31 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 16:44 AEDT, next update expected 19:00 AEDT.
Long-range Snow Outlook for Big Sky
Snowfall
Snow Line
Max 9℃
Min -5℃
23cm New Snow
Snow Line from 2,599m to resort level (2,070m).
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Powder Alert!
Powder Alarm issued 31 October 2026 18:51 AEDT
Powder Possible :- 14cm 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 | |
|---|---|---|---|
| Sat 31 |  | up to 6cm New Snow | Max 9℃ Min 2℃ |
| Sun 01 |  | up to 8cm New Snow | Max 6℃ Min 2℃ |
| Mon 02 |  | 1cm to 3cm New Snow | Max 5℃ Min -4℃ |
| Tue 03 | | Cloudy. | Max 7℃ Min -4℃ |
| Wed 04 | | Cloudy. | Max 7℃ Min -2℃ |
| Thu 05 | | Cloudy. | Max 4℃ Min -3℃ |
| Fri 06 |  | 4cm to 6cm New Snow | Max 3℃ Min -5℃ |
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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 16:44 AEDT, next update expected 19:00 AEDT.
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.