Big Sky Snow Forecast - 7 day
Updated 21 March 2026 00:43 CDT
7-Day Snow Forecast for Big Sky
1-week from 21 March.
For Forecast detail, see below.
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.
Big Sky 7-Day Snow Forecast Highlights
When will there be fresh snow in Big Sky?
| Next Snow Expected | 30 March |
|---|---|
| Next Snow Amount | 1cm |
| Next 48 Hours | - |
| Next 7 Days | 1cm |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 16℃
Min -3℃
2cm New Snow
Snow Line from 2,879m to resort level (2,070m).
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.
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Big Sky Medium-Range (7-Day) Snow Forecast Detail
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
Max 16℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 16℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 10℃
Min -3℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 10℃
Temperature at BaseTemp at Base
Sun
22
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 11℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 11℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Mon
23
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 11℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 11℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
24
up to 1cm New Snow
Cloudy, light drizzle, cloudy later.
Snow Line from 2,879m to 2,189m, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 12℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Wed
25
Snow unlikely
Light drizzle first, cloudy then clear spells, cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 5℃
Min -2℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
26
up to 1cm New Snow
Cloudy, light snow, clear spells later.
Snow Line from 2,089m to resort level (2,070m).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 9℃
Min -3℃
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -3℃ and rising to 9℃
Temperature at BaseTemp at Base
Fri
27
Snow unlikely
Clear sky early, then fair later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
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 Snow Forecast updated at 00:43 CDT, next update expected imminently.
Snow Reliability
Big Sky enjoys reliable snow conditions, with an average annual snowfall of over 400 inches. Skiers can expect a solid snow depth throughout the season, but it's advisable to check J2Ski for the latest snow conditions.