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Sun Valley 7-Day Snow Forecast - 16th May 2026

Sun Valley Snow Forecast - 7 day

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GEM
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Updated 16 May 2026 20:46 BST

7-Day Snow Forecast for Sun Valley

1-week from 16 May.

For Forecast detail, see below.

Sun Valley 7-Day Snow Forecast Highlights

When will there be fresh snow in Sun Valley?

Sun Valley Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,270m)
Next Snow?
There is no snow currently in the forecast for Sun Valley.

7-Day Snow Outlook for Sun Valley

 
Snowfall

 
Snow Line

Max 23℃ 74°F
Min -2℃ 28°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 13℃ 55°F
Min 3℃ 37°F

Valley temperatures from an overnight low of 3℃ 37°F to daytime highs around 13℃ 55°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Sat
16

Snow unlikely

ClearCloudFairFair

Clear sky, cloudy, fair later.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 10℃ 50°F
Min -1℃ 31°F

Valley temperatures from an overnight low of -1℃ 31°F to daytime highs around 10℃ 50°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Sun
17

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 14℃ 57°F
Min -2℃ 28°F

Freeze-thaw conditions, with valley temperatures cooling to -2℃ 28°F and rising to 14℃ 57°F

Temperature at BaseTemp at Base

Mon
18

Snow unlikely

CloudClearCloudFair

Cloudy first, clear sky then cloudy, fair later.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 15℃ 58°F
Min 2℃ 35°F

Valley temperatures from an overnight low of 2℃ 35°F to daytime highs around 15℃ 58°F
Freeze-thaw from mid-mountain up.

Temperature at BaseTemp at Base

Tue
19

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 18℃ 65°F
Min 4℃ 40°F

Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 18℃ 65°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
20

Snow unlikely

CloudCloudCloudCloud

Cloudy.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 19℃ 66°F
Min 4℃ 39°F

Valley temperatures from an overnight low of 4℃ 39°F to daytime highs around 19℃ 66°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Thu
21

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Forecast times for Sun Valley are in Denver (US/Mountain) time zone.

Max 23℃ 74°F
Min 6℃ 43°F

Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 23℃ 74°F

Temperature at BaseTemp at Base

Fri
22

Snow unlikely

CloudFairClearMixed

Cloudy first, fair then clear sky, clear spells 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 20:46 BST, next update expected 02:00 BST.

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.