Big Sky Snow Forecast - 7 day
Updated 05 May 2026 11:41 UTC
7-Day Snow Forecast for Big Sky
1-week from 5 May.
For Forecast detail, see below.
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 | 9 May |
|---|---|
| Next Snow Amount | 6cm 2in |
| Next 48 Hours | - - |
| Next 7 Days | 6cm 2in |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 21℃ 69°F
Min -8℃ 18°F
7cm 3in New Snow
Snow Line from 3,089m 10,135ft to resort level ( 2,070m 6,791ft ).
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Partner Offers
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 6℃ 42°F
Min -4℃ 24°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ 24°F and rising to 6℃ 42°F
Temperature at BaseTemp at Base
Tue
05
Snow unlikely
Fair, clear sky, cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 11℃ 52°F
Min -8℃ 18°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -8℃ 18°F and rising to 11℃ 52°F
Temperature at BaseTemp at Base
Wed
06
Snow unlikely
Clear sky.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 13℃ 55°F
Min 3℃ 38°F
Valley temperatures from an overnight low of 3℃ 38°F to daytime highs around 13℃ 55°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
07
up to 1cm New Snow
Clear sky first, light drizzle then clear spells, cloudy later.
Snow Line from 3,089m 10,135ft to 3,011m 9,879ft , with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 15℃ 59°F
Min 3℃ 37°F
Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 15℃ 59°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Fri
08
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 7℃ 45°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 7℃ 45°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
09
2cm to 7cm 1in to 3in New Snow
Cloudy first, light snow showers then snow showers, clear spells later.
Snow Line from 2,709m 8,888ft to resort level ( 2,070m 6,791ft ).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 16℃ 62°F
Min 0℃ 32°F
Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 16℃ 62°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
10
Snow unlikely
Clear sky first, fair then cloudy, clear sky later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 21℃ 69°F
Min 5℃ 42°F
Valley temperatures from an overnight low of 5℃ 42°F to daytime highs around 21℃ 69°F
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Mon
11
Snow unlikely
Clear spells, fair, cloudy 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 11:41 UTC, next update expected imminently.
Snow Forecast near Big Sky
| Ski Area | 48 Hr | 7 Day | Tu | We | Th | Fr | Sa | Su | Mo |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | - | 5cm 2in |
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.