Sun Valley Snow Forecast - 7 day
Updated 11 October 2026 12:49 BST
7-Day Snow Forecast for Sun Valley
1-week from 11 October.
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 Expected | 12 October |
|---|---|
| Next Snow Amount | 6cm 2in |
| Next 48 Hours | 6cm 2in |
| Next 7 Days | 6cm 2in |
7-Day Snow Outlook for Sun Valley
Snowfall
Snow Line
Max 20℃ 67°F
Min 1℃ 34°F
6cm 2in New Snow
Snow Line from 2,239m 7,346ft to 1,829m 6,001ft , with rain below.
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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 9℃ 49°F
Min 4℃ 40°F
Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 9℃ 49°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Sun
11
Snow unlikely
Clear sky early, then cloudy later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 5℃ 42°F
Min 2℃ 36°F
Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 5℃ 42°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
12
up to 6cm up to 2in New Snow
Cloudy, clear spells, cloudy later.
Snow Line from 2,239m 7,346ft to 1,829m 6,001ft , with rain below.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 13℃ 56°F
Min 1℃ 34°F
Valley temperatures from an overnight low of 1℃ 34°F to daytime highs around 13℃ 56°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Tue
13
Snow unlikely
Light drizzle, cloudy, clear sky later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 15℃ 58°F
Min 2℃ 36°F
Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 15℃ 58°F
Freeze-thaw from mid-mountain up.
Temperature at BaseTemp at Base
Wed
14
Snow unlikely
Clear sky.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 16℃ 61°F
Min 5℃ 40°F
Valley temperatures from an overnight low of 5℃ 40°F to daytime highs around 16℃ 61°F
Freeze-thaw conditions up high.
Temperature at BaseTemp at Base
Thu
15
Snow unlikely
Clear sky.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 18℃ 64°F
Min 7℃ 44°F
Valley temperatures from an overnight low of 7℃ 44°F to daytime highs around 18℃ 64°F
Temperature at BaseTemp at Base
Fri
16
Snow unlikely
Clear sky.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
Max 20℃ 67°F
Min 7℃ 45°F
Valley temperatures from an overnight low of 7℃ 45°F to daytime highs around 20℃ 67°F
Temperature at BaseTemp at Base
Sat
17
Snow unlikely
Clear sky, fair, clear spells later.
Forecast times for Sun Valley are in Denver (US/Mountain) time zone.
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 12:49 BST, next update expected 18:00 BST.
How reliable is the snow in Sun Valley?
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.