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Big Sky Snow Forecast - 48 hour - 29th August 2026

Big Sky 48-Hour Snow Forecast

ECMWF IFS
GEM
GFS

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Updated 28 August 2026 18:44 CDT

2-Day Forecast for Big Sky

48-hours from 29 August.

See below for forecast detail

Big Sky Snow Forecast updated at 18:44 CDT, next update expected imminently.

Forecast for today in Big Sky

Max 19℃
Min 10℃

Valley temperatures from an overnight low of 10℃ to daytime highs around 19℃

Temperature at BaseTemp at Base

Sat
29

Snow unlikely

CloudLt DrizzleShwrsShwrs

Cloudy, light drizzle, rain showers later.

Forecast times for Big Sky are in Denver (US/Mountain) time zone.

Forecast for tomorrow in Big Sky

Max 18℃
Min 7℃

Valley temperatures from an overnight low of 7℃ to daytime highs around 18℃
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Sun
30

Snow unlikely

ClearCloudClearClear

Clear sky, cloudy, clear sky later.

Forecast times for Big Sky are in Denver (US/Mountain) time zone.

48-hour Forecast Detail

48 Hour Weather and Snow Forecast for Big Sky from OpenMeteo(GFS)
BaseSnow toWeatherTemp
Town
Rain or Snow?
Sat00:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
13℃SE
Breeze
10%
Sat01:00Cloud

Cloudy.13℃SE
Light
20%
Sat02:00Lt Drizzle

Snow at altitude.
Lt drizzle below.
13℃SE
Light
30%
Sat03:00Lt Rain

Light snow at altitude.
Lt rain below.
12℃SE
Light
30%
Sat04:00Rain

Light snow at altitude.
Rain below.
12℃SE
Light
40%
Sat05:00Drizzle

Light snow at altitude.
Drizzle below.
11℃SE
Light
45%
Sat06:00Rain

Rain.11℃SE
Breeze
45%
Sat07:00Lt Rain

Light rain.11℃SE
Light
30%
Sat08:00Cloud

Cloudy.11℃SE
Light
25%
Sat09:00Cloud

Cloudy.11℃SE
Light
15%
Sat10:00Lt Rain

Light snow at altitude.
Lt rain below.
12℃SE
Light
30%
Sat11:00Fair

Cloudy at altitude.
Fair below.
16℃SE
Breeze
20%
Sat12:00Mixed

Cloudy at altitude.
Mixed below.
17℃SE
Light
15%
Sat13:00Cloud

Clear spells at altitude.
Cloud below.
18℃SE
Light
20%
Sat14:00Cloud

Cloudy.19℃SE
Breeze
15%
Sat15:00Lt Drizzle

Light snow at altitude.
Lt drizzle below.
18℃SE
Strong
15%
Sat16:00Lt Drizzle

Heavy snow showers at altitude.
Lt drizzle below.
15℃SE
Light
35%
Sat17:00Fair

Fair.16℃SE
Breeze
20%
Sat18:00Clear

Clear sky.15℃SE
Breeze
30%
Sat19:00Mixed

Fair at altitude.
Mixed below.
16℃SE
Light
25%
Sat20:00Cloud

Light snow at altitude.
Lt rain below.
11℃SE
Breeze
35%
Sat21:00Clear

Fair at altitude.
Clear below.
11℃SE
Light
15%
Sat22:00Clear

Clear sky.10℃SE
Light
15%
Sat23:00Cloud

Cloudy.10℃SE
Light
5%
Sun00:00Cloud

Cloudy.11℃SW
Light
10%
Sun01:00Cloud

Fair at altitude.
Cloud below.
10℃SW
Light
10%
Sun02:00Cloud

Cloudy.10℃SW
Light
10%
Sun03:00Cloud

Cloudy.10℃SW
Breeze
15%
Sun04:00Cloud

Clear spells at altitude.
Cloud below.
9℃SW
Light
25%
Sun05:00Clear

Cloudy at altitude.
Clear below.
8℃SW
Light
75%
Sun06:00Clear

Cloudy at altitude.
Clear below.
8℃SW
Light
75%
Sun07:00Clear

Fair at altitude.
Clear below.
7℃SW
Breeze
70%
Sun08:00Clear

Clear spells.9℃SW
Breeze
70%
Sun09:00Clear

Clear sky.10℃SW
Breeze
70%
Sun10:00Clear

Clear sky.11℃SW
Breeze
70%
Sun11:00Clear

Clear sky.13℃SW
Breeze
70%
Sun12:00Clear

Clear sky.14℃SW
Breeze
70%
Sun13:00Clear

Clear sky.15℃SW
Breeze
30%
Sun14:00Clear

Clear sky.16℃SW
Breeze
30%
Sun15:00Clear

Clear sky.17℃SW
Breeze
30%
Sun16:00Clear

Clear sky.17℃SW
Breeze
30%
Sun17:00Clear

Clear sky.18℃SW
Breeze
30%
Sun18:00Clear

Clear sky.17℃SW
Breeze
30%
Sun19:00Clear

Clear sky.15℃SW
Breeze
0%
Sun20:00Clear

Clear sky.10℃SW
Light
0%
Sun21:00Clear

Clear sky.9℃SW
Light
0%
Sun22:00Clear

Clear sky.8℃SW
Light
0%
Sun23:00Clear

Clear sky.8℃SW
Light
0%

Snow Forecast near Big Sky

Snow forecasts for nearby ski areas.

Snow Forecasts for other Ski Resorts near Big Sky are not available.

Big Sky Snow

For current snow depths and skiing conditions, see our Current Snow Report for Big Sky.

No significant snowfall is forecast for this period.

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.

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.