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Sun Valley Weather Forecast - 7 to 16 days - 22nd July 2026

Sun Valley Weather

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Weather Forecast for Sun Valley (1,750m to 2,790m)

Weather Outlook from 22 July.

Sun Valley Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Sun Valley Weather Forecast updated at 23:45 NZST, next update expected 05:00 NZST.

Long-range Snow Outlook for Sun Valley

 
Snowfall

 
Snow Line

Max 35℃
Min 16℃

Snow unlikely

Sun Valley Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Sun Valley from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Wed
22
Cloud

Cloudy.

Max 27℃
Min 17℃
Thu
23
Clear

Clear sky.

Max 31℃
Min 16℃
Fri
24
Clear

Clear sky.

Max 35℃
Min 19℃
Sat
25
Clear

Clear sky.

Max 34℃
Min 19℃
Sun
26
Clear

Clear sky.

Max 34℃
Min 19℃
Mon
27
Clear

Clear sky.

Max 32℃
Min 17℃
Tue
28
Clear

Clear sky.

Max 34℃
Min 17℃

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 Weather Forecast updated at 23:45 NZST, next update expected 05:00 NZST.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Sun Valley.

United States Accommodation (Apartments, Chalets, Hotels) Map

 

For more information about this American Ski Resort, See Also Skiing and Snowboarding in Sun Valley .

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.