Big Sky Snow Forecast - 7 day
Updated 11 October 2026 10:54 AEDT
7-Day Snow Forecast for Big Sky
1-week from 11 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 | 11 October |
|---|---|
| Next Snow Amount | 18cm |
| Next 48 Hours | 21cm |
| Next 7 Days | 21cm |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 13℃
Min -4℃
23cm New Snow
Snow Line from 2,909m to resort level (2,070m).
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Powder Alert!
Powder Alarm issued 11 October 2026 14:45 AEDT
Powder Possible :- 21cm 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 7℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 7℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
11
2cm to 18cm New Snow
Cloudy early, then clear spells later.
Snow Line from 2,909m to resort level (2,070m).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 4℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 4℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
12
5cm New Snow
Heavy snow showers early, then cloudy later.
Snow falling to resort level (2,070m).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 7℃
Min -3℃
Freeze-thaw conditions, with valley temperatures cooling to -3℃ and rising to 7℃
Temperature at BaseTemp at Base
Tue
13
Snow unlikely
Cloudy early, then clear spells later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 9℃
Min -4℃
Freeze-thaw conditions, with valley temperatures cooling to -4℃ and rising to 9℃
Temperature at BaseTemp at Base
Wed
14
Snow unlikely
Fair, clear spells, clear sky later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 8℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 8℃
Temperature at BaseTemp at Base
Thu
15
Snow unlikely
Clear sky early, then clear spells later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 11℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 11℃
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Fair early, then cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 13℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 13℃
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Sat
17
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 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 10:54 AEDT, next update expected imminently.
Snow Forecast near Big Sky
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 21cm | 21cm |
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.