Big Sky Snow Forecast - 7 day
Updated 12 April 2026 00:41 BST
7-Day Snow Forecast for Big Sky
1-week from 12 April.
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 | 13 April |
|---|---|
| Next Snow Amount | 9cm 4in |
| Next 48 Hours | 10cm 4in |
| Next 7 Days | 32cm 12in |
7-Day Snow Outlook for Big Sky
Snowfall
Snow Line
Max 12℃ 53°F
Min -12℃ 10°F
32cm 13in New Snow
Snow Line from 2,379m 7,805ft to resort level ( 2,070m 6,791ft ).
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.
Powder Alert!
Powder Alarm issued 12 April 2026 04:42 BST
Powder Possible :- 21cm 8in of Fresh Snow is forecast for Big Sky over the next 3 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 12℃ 53°F
Min 0℃ 33°F
Valley temperatures from an overnight low of 0℃ 33°F to daytime highs around 12℃ 53°F
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Sun
12
Snow unlikely
Cloudy.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 6℃ 43°F
Min -1℃ 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ 29°F and rising to 6℃ 43°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
5cm to 10cm 2in to 4in New Snow
Cloudy first, heavy snow showers then snow showers, cloudy later.
Snow Line from 2,269m 7,444ft to resort level ( 2,070m 6,791ft ).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 8℃ 45°F
Min -2℃ 29°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ 29°F and rising to 8℃ 45°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
14
Snow unlikely
Snow showers first, cloudy then clear sky, cloudy later.
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 7℃ 45°F
Min -1℃ 30°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ 30°F and rising to 7℃ 45°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
15
5cm to 11cm 2in to 5in New Snow
Cloudy early, then clear spells later.
Snow Line from 2,379m 7,805ft to resort level ( 2,070m 6,791ft ).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 1℃ 34°F
Min -6℃ 22°F
Valley temperatures from an overnight low of -6℃ 22°F to daytime highs around 1℃ 34°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
16
10cm 4in New Snow
Heavy snow, snow showers, light snow showers later.
Snow falling to resort level ( 2,070m 6,791ft ).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max -1℃ 30°F
Min -12℃ 11°F
Below freezing at all levels, with valley temperatures as low as -12℃ 11°F and not getting above -1℃ 30°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
17
1cm New Snow
Light snow early, then cloudy later.
Snow falling to resort level ( 2,070m 6,791ft ).
Forecast times for Big Sky are in Denver (US/Mountain) time zone.
Max 3℃ 38°F
Min -12℃ 10°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -12℃ 10°F and rising to 3℃ 38°F
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Clear sky first, fog then clear spells, clear sky 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 00:41 BST, next update expected imminently.
Snow Forecast near Big Sky
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| Moonlight Basin | 11cm 4in | 32cm 13in |
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.