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Sun Valley 7-Day Snow Forecast - 9th November 2026

Sun Valley Snow Forecast - 7 day

ECMWF IFS
GEM
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Updated 09 November 2026 18:42 UTC

7-Day Snow Forecast for Sun Valley

1-week from 9 November.

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 Expected16 November
Next Snow Amount 11cm 4in
Next 48 Hours - -
Next 7 Days 11cm 4in

7-Day Snow Outlook for Sun Valley

 
Snowfall

 
Snow Line

Max 15℃ 59°F
Min -3℃ 26°F

4cm 2in New Snow

Snow Line from 2,489m 8,166ft to 2,149m 7,051ft , 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 12℃ 53°F
Min 0℃ 32°F

Valley temperatures from an overnight low of 0℃ 32°F to daytime highs around 12℃ 53°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Mon
09

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Max 13℃ 55°F
Min 2℃ 36°F

Valley temperatures from an overnight low of 2℃ 36°F to daytime highs around 13℃ 55°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Tue
10

Snow unlikely

MixedClearClearClear

Clear spells early, then clear sky later.

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

Max 14℃ 58°F
Min 4℃ 38°F

Valley temperatures from an overnight low of 4℃ 38°F to daytime highs around 14℃ 58°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Wed
11

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Max 15℃ 59°F
Min 6℃ 43°F

Valley temperatures from an overnight low of 6℃ 43°F to daytime highs around 15℃ 59°F

Temperature at BaseTemp at Base

Thu
12

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 12℃ 54°F
Min 4℃ 40°F

Valley temperatures from an overnight low of 4℃ 40°F to daytime highs around 12℃ 54°F
Freeze-thaw conditions up high.

Temperature at BaseTemp at Base

Fri
13

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 5℃ 41°F
Min -3℃ 26°F

Freeze-thaw conditions, with valley temperatures cooling to -3℃ 26°F and rising to 5℃ 41°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Sat
14

up to 4cm up to 2in New Snow

CloudCloudLt DrizzleLt Drizzle

Cloudy early, then light drizzle later.

Snow Line from 2,489m 8,166ft to 2,149m 7,051ft , with rain below.

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

Max 6℃ 42°F
Min -3℃ 26°F

Freeze-thaw conditions, with valley temperatures cooling to -3℃ 26°F and rising to 6℃ 42°F

Temperature at BaseTemp at Base

Sun
15

Snow unlikely

CloudFogCloudFog

Cloudy first, fog then cloudy, fog 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 18:42 UTC, next update expected 00:00 UTC.

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.