Big Sky Snow Forecast - 7 day
Updated 31 October 2026 16:44 AEDT
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 | 3cm |
| Next 48 Hours | 14cm |
| Next 7 Days | 19cm |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 9℃
Min -5℃
23cm New Snow
Snow Line from 2,599m to resort level (2,070m).
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Powder Alert!
Powder Alarm issued 31 October 2026 18:51 AEDT
Powder Possible :- 14cm 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 9℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 9℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
31
up to 6cm New Snow
Cloudy, clear sky, cloudy later.
Snow Line from 2,599m to 2,479m, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 6℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 6℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
01
up to 8cm New Snow
Cloudy, snow showers at altitude, light drizzle later.
Snow Line from 2,569m to 2,119m, with rain below.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 5℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 5℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
02
1cm to 3cm New Snow
Light snow at altitude, light snow, cloudy later.
Snow Line from 2,149m to resort level (2,070m).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 7℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 7℃
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 7℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 7℃
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 4℃
Min -3℃
Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 4℃
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 3℃
Min -5℃
Freeze-thaw conditions, with valley temperatures cooling to -5℃ and rising to 3℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
06
4cm to 6cm New Snow
Cloudy first, fair then cloudy, light snow at altitude later.
Snow Line from 2,329m to resort level (2,070m).
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 16:44 AEDT, next update expected imminently.
Snow Forecast near Big Sky
| Ski Area | 48 Hr | 7 Day | Sa | Su | Mo | Tu | We | Th | Fr |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 15cm | 19cm |
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.