Big Sky Weather
Two Week Weather Forecast for Big Sky ( 2,070m to 3,410m 6,791ft to 11,188ft )
This is the Snow Forecast and Weather Outlook for Big Sky, United States for 16 days from 18 May.
Updated 18 May 2025 05:34 BST.
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 05:34 BST, next update expected imminently.
To get the latest weather forecasts for Big Sky, by e-mail Join J2Ski's Snow Mail Here
Big Sky has 5cm 2in new snow forecast in the next 48 hours.
Big Sky Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sun 18 |  | up to 1cm New Snow | Max 10℃ 49°F Min 3℃ 37°F |
| Mon 19 | | up to 1cm up to 1in New Snow | Max 9℃ 49°F Min 0℃ 31°F |
| Tue 20 |  | up to 3cm up to 1in New Snow | Max 9℃ 49°F Min 0℃ 33°F |
| Wed 21 |  | up to 2cm up to 1in New Snow | Max 11℃ 52°F Min 0℃ 31°F |
| Thu 22 |  | Clear sky. | Max 17℃ 62°F Min 3℃ 37°F |
| Fri 23 | | Clear sky. | Max 19℃ 66°F Min 5℃ 41°F |
| Sat 24 | | Fair. | Max 17℃ 63°F Min 8℃ 45°F |
| Sun 25 | | Fair at altitude, clear sky below. | Max 20℃ 67°F Min 4℃ 39°F |
| Mon 26 | | Clear sky. | Max 23℃ 73°F Min 9℃ 47°F |
| Tue 27 | | Cloudy. | Max 23℃ 73°F Min 11℃ 52°F |
| Wed 28 | | Clear spells at altitude, cloudy below. | Max 21℃ 70°F Min 9℃ 47°F |
| Thu 29 |  | Light drizzle. | Max 20℃ 68°F Min 8℃ 47°F |
| Fri 30 | | up to 1cm New Snow | Max 13℃ 55°F Min 7℃ 45°F |
| Sat 31 | | Clear sky. | Max 14℃ 57°F Min 5℃ 40°F |
| Sun 01 | | up to 2cm up to 1in New Snow | Max 12℃ 53°F Min 2℃ 36°F |
| Mon 02 | | up to 2cm up to 1in New Snow | Max 9℃ 48°F Min 4℃ 38°F |
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 05:34 BST, next update expected imminently.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.For more information about this American Ski Resort, See Also Skiing and Snowboarding in Big Sky .
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