Sun Valley Snow Forecast - 7 day
Snow Forecast for Sun Valley
When will there be fresh snow?
This is the 7-Day Snow Forecast for Sun Valley, United States for 7 days from 25 April.
Updated 25 April 2025 08:31 AEST.
| Next Snow Expected | 28 April |
|---|---|
| Next Snow Amount | 1cm |
| Next 48 Hours | 2cm |
| Next 7 Days | 7cm |
| Free Snow Reports by e-Mail | Sign Up for Powder Alerts |
For Forecast detail, see below.
Forecast for Sun Valley
Sun Valley has 2cm new snow forecast in the next 48 hours.
Sun Valley 7-Day Snow Forecast Overview
Get this snow forecast by e-mail Join J2Ski's Snow Mail Here
NEW FOR 24/25 - Improved Forecasts for Sun Valley - high-resolution weather models, updated more often - Subscribe
| Fri 25 | Sat 26 | Sun 27 | Mon 28 | Tue 29 | Wed 30 | Thu 01 | |
|---|---|---|---|---|---|---|---|
| Wind | SW F2 | SW F2 | |||||
| 2,790m | 8℃
 | 7℃
| 5℃
+2cm
| 5℃
 +4cm
| 4℃
 | 7℃
 | 10℃
|
| SW F2 | SW F2 | ||||||
| 2,270m | 12℃
| 11℃
| 9℃
| 10℃
 +1cm
| 10℃
| 11℃
| 15℃
|
| SW F2 | SE F2 | SE F2 | SW F2 | SW F2 | |||
| 1,750m | 16℃
| 16℃
| 14℃
| 9℃
| 12℃
| 14℃
| 17℃
|
| Snow Line | 1,899m | varying 2,289m | |||||
| Max Town | 16℃ | 16℃ | 14℃ | 9℃ | 12℃ | 14℃ | 17℃ |
| Min Town | 2℃ | 6℃ | 3℃ | 3℃ | 4℃ | 2℃ | 5℃ |
This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.
Sun Valley 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 16℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 16℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Clear sky, fair, cloudy later.
Max 16℃
Min 6℃
Valley temperatures from an overnight low of 6℃ to daytime highs around 16℃
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Cloudy, clear sky, cloudy later.
Max 14℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 14℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
27
up to 2cm New Snow
Cloudy early, then light snow at altitude later.
Snow falling to 1,899m, with rain below.
Max 9℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 9℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
28
up to 4cm New Snow
Rain showers, cloudy, rain showers later.
Snow Line from 2,289m to 2,029m, with rain below.
Max 12℃
Min 4℃
Valley temperatures from an overnight low of 4℃ to daytime highs around 12℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Tue
29
Snow unlikely
Light drizzle, clear sky, cloudy later.
Max 14℃
Min 2℃
Valley temperatures from an overnight low of 2℃ to daytime highs around 14℃
Freeze-thaw (spring snow) from mid-mountain up.
Temperature at BaseTemp at Base
Wed
30
Snow unlikely
Clear sky early, then fair later.
Max 17℃
Min 5℃
Valley temperatures from an overnight low of 5℃ to daytime highs around 17℃
Freeze-thaw (spring snow) conditions up high.
Temperature at BaseTemp at Base
Thu
01
Snow unlikely
Cloudy early, then clear sky later.
This Snow Forecast for Sun Valley, 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 Sun Valley, 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.
Sun Valley Snow Forecast updated at 08:31 AEST, next update expected imminently.