Big Sky snow
Ski USA - Montana

Big Sky Snow Forecast

Weather Forecast for Big Sky at 2073 m
Issued: 4 pm  21 Dec 2025 (local time)

New snow in Big Sky

1.3cm0.5in
Sun 21st (AM)
The snow forecast for Big Sky is: Mild with moderate rain (total 13.0mm) on Sun night, Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 4°C on Tue afternoon, min -2°C on Mon night). Mainly fresh winds.

Big Sky Weather (Next 3 days): The snow forecast for Big Sky is: Mild with moderate rain (total 13.0mm) on Sun night, Becoming colder with a light covering of snow, mostly falling on Mon morning. Freeze-thaw conditions (max 4°C on Tue afternoon, min -2°C on Mon night). Mainly fresh winds.

Big Sky Weather (Days 4-6): Mild at first with light rain (total 4.0mm) on Wed night followed by colder weather and light fall of snow, heaviest on Fri night. Freeze-thaw conditions (max 4°C on Wed afternoon, min -5°C on Sat morning). Winds decreasing (fresh winds from the SSW on Thu night, calm by Sat morning).


Big Sky Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.5m
-5
45
light snow
Middle Lift: 
-2
30
light snow
Bottom Lift: 0.5m
0
20
light snow
6 Day Forecast
Issued: 4 pm 21 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light snow
mod rain
light snow
light rain
light snow
light rain
cloud
part cloud
clear
rain showers
light snow
part cloud
part cloud
snow showers
light snow
light snow
heavy snow
light snow
mod. rain
light snow
light rain
light snow
light rain
cloudy
some clouds
clear
rain shwrs
light snow
some clouds
some clouds
snow shwrs
light snow
light snow
heavy snow
 km/h
20
SSW
25
SSW
25
W
15
SW
20
SW
20
S
25
SSW
25
S
30
S
25
S
10
SW
15
SSW
20
SSW
30
SW
20
SW
20
SSW
5
N
Snow map
1
4
4
2
1
12
9
2
1
1
1
3
max °C
1
2
1
2
1
3
4
0
4
4
2
1
2
0
0
0
0
min °C
0
1
1
0
-2
2
2
-2
-2
1
-3
-2
-2
-4
-4
0
-3
-5
-4
-4
-5
-7
-3
-3
-8
-8
-4
-8
-7
-8
-10
-11
-5
-6
97
96
90
80
85
81
69
65
72
91
76
80
86
92
87
91
97
2400
2600
2250
2250
2250
2750
2800
2800
2700
2600
2100
2200
1900
2100
2000
2100
1800
Sea lvl1000m2000m3000m4000m5000m
-6-5-7-7-7-5-4-4-5-5-6-8-9-9-10-10-101211-133-113-1-10-2-20-2
Sunrise
8:02
8:02
8:03
8:03
8:03
Sunset
4:45
4:45
4:45
4:46
4:47
4:47

Snow Radar

Latest snow reports near Big Sky:

No recent snow reports

No recent snow reports

Big Sky Snow Conditions

Top snow depth:53cm
Bottom snow depth:53cm
Fresh snowfall depth:9cm
Last snowfall:19 Dec 2025
Snow AlertsCreate Alert
Other resorts in USA - Montana are reporting: powder (1) / good piste (3)


Snow History

Week 3 of December has on average:
0.7
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.8
Powder days
Fresh snow, limited sun, any wind.
1.2
Bluebird days
Average snow, mostly sunny, light wind.