Sun Valley Snow Forecast - 7 day
Updated 20 September 2026 09:55 UTC
7-Day Snow Forecast for Sun Valley
1-week from 20 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 24℃ 76°F
Min 6℃ 42°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 20℃ 69°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 20℃ 69°F
Temperature at BaseTemp at Base
Sun
20
Snow unlikely
Fair early, then clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 22℃ 72°F
Min 8℃ 46°F
Valley temperatures from an overnight low of 8℃ 46°F to daytime highs around 22℃ 72°F
Temperature at BaseTemp at Base
Mon
21
Snow unlikely
Clear sky.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 22℃ 72°F
Min 12℃ 53°F
Valley temperatures from an overnight low of 12℃ 53°F to daytime highs around 22℃ 72°F
Temperature at BaseTemp at Base
Tue
22
Snow unlikely
Cloudy.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 23℃ 74°F
Min 10℃ 50°F
Valley temperatures from an overnight low of 10℃ 50°F to daytime highs around 23℃ 74°F
Temperature at BaseTemp at Base
Wed
23
Snow unlikely
Cloudy early, then clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 24℃ 76°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 24℃ 76°F
Temperature at BaseTemp at Base
Thu
24
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 23℃ 73°F
Min 11℃ 51°F
Valley temperatures from an overnight low of 11℃ 51°F to daytime highs around 23℃ 73°F
Temperature at BaseTemp at Base
Fri
25
Snow unlikely
Clear spells first, fair then clear spells, cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 14℃ 58°F
Min 6℃ 42°F
Valley temperatures from an overnight low of 6℃ 42°F to daytime highs around 14℃ 58°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sat
26
Snow unlikely
Clear spells, fair, 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 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 09:55 UTC, 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.