Big Sky Weather
Weather Forecast for Big Sky ( 2,070m to 3,410m 6,791ft to 11,188ft )
Weather Outlook from 12 April.
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 00:41 BST, next update expected imminently.
Long-range Snow Outlook for Big Sky
Snowfall
Snow Line
Max 12℃ 53°F
Min -12℃ 10°F
32cm 13in New Snow
Snow Line from 2,379m 7,805ft to resort level ( 2,070m 6,791ft ).
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Powder Alarm issued 12 April 2026 05:44 BST
Powder Possible :- 21cm 8in of Fresh Snow is forecast for Big Sky over the next 3 days.
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Big Sky Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sun 12 |  | Cloudy. | Max 12℃ 53°F Min 0℃ 33°F |
| Mon 13 |  | 5cm to 10cm 2in to 4in New Snow | Max 6℃ 43°F Min -1℃ 29°F |
| Tue 14 | | Cloudy. | Max 8℃ 45°F Min -2℃ 29°F |
| Wed 15 |  | 5cm to 11cm 2in to 5in New Snow | Max 7℃ 45°F Min -1℃ 30°F |
| Thu 16 | | 10cm 4in New Snow | Max 1℃ 34°F Min -6℃ 22°F |
| Fri 17 | | 1cm New Snow | Max -1℃ 30°F Min -12℃ 11°F |
| Sat 18 |  | Clear spells. | Max 3℃ 38°F Min -12℃ 10°F |
There is some snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In to see the full long-range weather forecast (out to 16 days, with more weather detail).
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 piste 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 00:41 BST, next update expected imminently.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.United States 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.