Big Sky Snow Forecast - 7 day
Updated 30 October 2026 22:44 PDT
7-Day Snow Forecast for Big Sky
1-week from 31 October.
For Forecast detail, see below.
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Big Sky 7-Day Snow Forecast Highlights
When will there be fresh snow in Big Sky?
| Next Snow Expected | 31 October |
|---|---|
| Next Snow Amount | 1in |
| Next 48 Hours | 5in |
| Next 7 Days | 8in |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 47°F
Min 24°F
9in New Snow
Snow Line from 8,527ft to resort level (6,791ft).
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Powder Alert!
Powder Alarm issued 30 October 2026 22:52 PDT
Powder Possible :- 6in of Fresh Snow is forecast for Big Sky over the next 2 days.
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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 47°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 47°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 2in New Snow
Cloudy, clear sky, cloudy later.
Snow Line from 8,527ft to 8,133ft, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 43°F
Min 35°F
Valley temperatures from an overnight low of 35°F to daytime highs around 43°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
01
up to 3in New Snow
Cloudy, snow showers at altitude, light drizzle later.
Snow Line from 8,428ft to 6,952ft, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 41°F
Min 25°F
Freeze-thaw conditions, with valley temperatures cooling to 25°F and rising to 41°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
02
up to 1in New Snow
Light snow at altitude, light snow, cloudy later.
Snow Line from 7,051ft to resort level (6,791ft).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 45°F
Min 24°F
Freeze-thaw conditions, with valley temperatures cooling to 24°F and rising to 45°F
Temperature at BaseTemp at Base
Tue
03
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 45°F
Min 28°F
Freeze-thaw conditions, with valley temperatures cooling to 28°F and rising to 45°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
04
Snow unlikely
Cloudy.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 40°F
Min 27°F
Freeze-thaw conditions, with valley temperatures cooling to 27°F and rising to 40°F
Temperature at BaseTemp at Base
Thu
05
Snow unlikely
Light snow early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 38°F
Min 24°F
Freeze-thaw conditions, with valley temperatures cooling to 24°F and rising to 38°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
06
2in New Snow
Cloudy first, fair then cloudy, light snow at altitude later.
Snow Line from 7,641ft to resort level (6,791ft).
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 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 Snow Forecast updated at 22:44 PDT, next update expected 01:00 PDT.
Snow Forecast near Big Sky
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 4in | 9in |
How reliable is the snow in Big Sky?
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.