Sun Valley Long-Range Snow Forecast Updated today
Updated 29 September 2026 04:54 PDT
Long-Range Snow Forecast for Sun Valley
Long-range (14 to 45 days) from 29 September.
For Forecast detail, see below.
Sun Valley 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. |
Long-range Snow Outlook for Sun Valley
Snowfall
Snow Line
Max 79°F
Min 42°F
Snow unlikely
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Sun Valley Long-Range (2 weeks+) Snow Forecast Outlook
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.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Tue 29 |  | Clear sky. | Max 70°F Min 42°F |
| Wed 30 | | Clear sky. | Max 71°F Min 49°F |
| Thu 01 | | Cloudy at altitude, clear sky below. | Max 74°F Min 49°F |
| Fri 02 | | Clear sky. | Max 75°F Min 49°F |
| Sat 03 | | Clear sky. | Max 74°F Min 49°F |
| Sun 04 | | Cloudy at altitude, clear sky below. | Max 79°F Min 52°F |
| Mon 05 |  | Cloudy. | Max 73°F Min 54°F |
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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 04:54 PDT, next update expected 10:00 PDT.
Ensemble forecast for Sun Valley, USA at 5,741ft
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
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.
Off-Piste Safety in Sun Valley
Before skiing or snowboarding off-piste in Sun Valley, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.