Sun Valley snow
Ski USA - Idaho

Sun Valley Snow Forecast

Weather Forecast for Sun Valley at 2780 m
Issued: 11 am  18 Sep 2025 (local time)

New snow in Sun Valley

2.0cm0.8in
Sun 28th (NGT)
The snow forecast for Sun Valley is: Mostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Thu morning). Wind will be generally light.

Sun Valley Weather (Next 3 days): The snow forecast for Sun Valley is: Mostly dry. Very mild (max 15°C on Sat afternoon, min 9°C on Thu morning). Wind will be generally light.

Sun Valley Weather (Days 4-6): Light rain (total 2.0mm), mostly falling on Sun night. Very mild (max 12°C on Tue afternoon, min 3°C on Sun night). Winds decreasing (fresh winds from the W on Sun afternoon, calm by Tue night).


Sun Valley Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
13
10
clear
Middle Lift: 
18
10
clear
Bottom Lift: 
23
10
clear
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6 Day Forecast
Issued: 11 am 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
AM
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
part cloud
part cloud
clear
cloud
clear
part cloud
part cloud
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
cloudy
clear
some clouds
some clouds
rain shwrs
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
 km/h
5
WSW
10
SW
5
SW
5
SSW
10
SSW
0
WSW
5
W
15
WSW
10
W
20
SW
30
W
10
NW
15
N
20
NNE
10
NNE
5
WNW
5
W
0
NE
10
S
10
SW
10
W
Snow map
 cm 
 mm 
2
max°C
11
14
12
12
14
12
13
15
12
11
11
7
4
6
4
6
12
10
10
12
11
min°C
9
13
11
11
13
11
11
15
10
10
10
3
3
5
3
5
11
9
9
12
10
chill°C 
9
12
11
11
12
11
11
14
8
8
7
0
0
1
0
5
11
9
8
11
8
Humid% 
46
30
32
31
27
34
34
26
37
49
47
66
42
33
41
31
22
23
20
18
24
Freezing level (m
4200
4550
4450
4300
4500
4450
4350
4600
4450
4150
4200
3550
3200
3600
3350
3600
4300
4450
4350
4500
4450
topliftbotliftSea lvl1000m2000m3000m4000m5000m
10141212141212151111115464612101012111823152022152024151920912167142110172213
Sunrise
7:18
7:20
7:20
7:22
7:24
7:24
7:26
Sunset
7:42
7:39
7:37
7:37
7:35
7:32
7:30

Snow Radar

Latest snow reports near Sun Valley:

No recent snow reports

No recent snow reports

Sun Valley Snow Conditions

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

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Snow History

Week 3 of September has on average:
0.1
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.2
Powder days
Fresh snow, limited sun, any wind.
0.1
Bluebird days
Average snow, mostly sunny, light wind.