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Big Sky Weather Forecast - 7 to 16 days - 31st August 2026

Big Sky Weather

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Weather Forecast for Big Sky (6,791ft to 11,188ft)

Weather Outlook from 31 August.

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 11:52 PDT, next update expected 14:00 PDT.

Long-range Snow Outlook for Big Sky

 
Snowfall

 
Snow Line

Max 76°F
Min 36°F

Snow unlikely

Big Sky Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Big Sky from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Mon
31
Clear

Clear sky.

Max 71°F
Min 36°F
Tue
01
Cloud

Cloudy.

Max 72°F
Min 52°F
Wed
02
Cloud

Cloudy.

Max 67°F
Min 46°F
Thu
03
Cloud

Cloudy.

Max 63°F
Min 41°F
Fri
04
Clear

Clear sky.

Max 71°F
Min 42°F
Sat
05
Clear

Clear sky.

Max 70°F
Min 47°F
Sun
06
Cloud

Cloudy.

Max 76°F
Min 49°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 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 11:52 PDT, next update expected 14:00 PDT.

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 .

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.