Big Sky snow
Ski USA - Montana

Big Sky Snow Forecast

Weather Forecast for Big Sky at 3398 m
Issued: 5 pm  18 Sep 2025 (local time)

New snow in Big Sky

3.9cm1.5in
Mon 22nd (AM)
The snow forecast for Big Sky is: Some drizzle, heaviest during Fri night. Mild temperatures (max 9°C on Sat afternoon, min 6°C on Thu night). Wind will be generally light.

Big Sky Weather (Next 3 days): The snow forecast for Big Sky is: Some drizzle, heaviest during Fri night. Mild temperatures (max 9°C on Sat afternoon, min 6°C on Thu night). Wind will be generally light.

Big Sky Weather (Days 4-6): Light rain (total 5.0mm) at first, then becoming colder with a dusting of snow on Mon morning. Freeze-thaw conditions (max 7°C on Sun afternoon, min -4°C on Mon morning). Wind will be generally light.


Big Sky Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 0.0m
7
15
clear
Middle Lift: 
12
10
clear
Bottom Lift: 0.0m
18
5
clear
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6 Day Forecast
Issued: 5 pm 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
clear
part cloud
cloud
rain showers
clear
clear
clear
part cloud
light rain
light snow
light snow
light snow
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
rain shwrs
clear
clear
clear
some clouds
light rain
light snow
light snow
light snow
some clouds
clear
clear
clear
clear
clear
clear
 km/h
15
W
5
NW
5
WSW
10
W
10
W
15
W
25
W
10
WSW
10
WSW
20
WSW
20
WSW
5
NNW
10
N
15
NNE
5
N
5
NW
10
NNW
5
SW
15
SSW
25
SSW
Snow map
 cm 
4
 mm 
1
1
4
max°C
7
7
6
8
8
7
9
9
6
7
4
-3
-2
-1
1
4
5
6
9
8
min°C
7
6
6
8
6
6
8
6
6
4
0
-4
-2
-2
-1
3
5
6
9
7
chill°C 
4
6
5
6
4
3
4
3
4
-1
-4
-8
-6
-7
-4
1
2
5
7
3
Humid% 
36
36
40
36
40
40
31
33
42
45
69
98
76
64
42
34
31
25
26
17
Freezing level (m
4350
4300
4200
4400
4300
4250
4500
4450
4200
4300
3900
2950
3050
3100
3300
3950
4250
4400
4700
4600
topliftbotliftSea lvl1000m2000m3000m4000m5000m
77687798662-4-2-204569819101619121720121617869410157151910
Sunrise
7:07
7:09
7:09
7:11
7:13
7:13
Sunset
7:30
7:29
7:27
7:24
7:22
7:21
7:19

Snow Radar

Latest snow reports near Big Sky:

No recent snow reports

No recent snow reports

Big Sky Snow Conditions

Top snow depth:0cm
Bottom snow depth:0cm
Fresh snowfall depth:
Last snowfall:22 Jun 2025
Snow AlertsCreate Alert
Other resorts in USA - Montana are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September has on average:
0.3
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.8
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.