Sun Valley Snow Forecast - 7 day
Updated 20 September 2026 16:48 PDT
7-Day Snow Forecast for Sun Valley
1-week from 21 September.
For Forecast detail, see below.
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Sun Valley 7-Day Snow Forecast Highlights
When will there be fresh snow in Sun Valley?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Sun Valley. |
7-Day Snow Outlook for Sun Valley
Snowfall
Snow Line
Max 76°F
Min 45°F
Snow unlikely
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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 71°F
Min 45°F
Valley temperatures from an overnight low of 45°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Fair early, then clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 71°F
Min 51°F
Valley temperatures from an overnight low of 51°F to daytime highs around 71°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Cloudy.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 73°F
Min 49°F
Valley temperatures from an overnight low of 49°F to daytime highs around 73°F
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Light rain early, then clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 76°F
Min 53°F
Valley temperatures from an overnight low of 53°F to daytime highs around 76°F
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Clear sky, cloudy, clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 70°F
Min 52°F
Valley temperatures from an overnight low of 52°F to daytime highs around 70°F
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 73°F
Min 48°F
Valley temperatures from an overnight low of 48°F to daytime highs around 73°F
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Cloudy, clear spells, fair later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 72°F
Min 53°F
Valley temperatures from an overnight low of 53°F to daytime highs around 72°F
Temperature at BaseTemp at Base
Sun
27
Snow unlikely
Cloudy, clear spells, cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
No significant snowfall is forecast for this period.
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 trail 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 16:48 PDT, next update expected imminently.
Snow Reliability
Sun Valley typically enjoys a healthy snowpack, with average depths reaching up to 100 inches during the season. The resort's snow reliability is bolstered by consistent snowfall, making it essential to check J2Ski for the latest updates on conditions.