J2Ski New Zealand J2Ski logo
Facebook

Sun Valley Long-Range Snow Forecast - 22nd July 2026

Sun Valley Long-Range Snow Forecast Updated today

ECMWF IFS
GEM
GFS

PROSubscribe to Switch Weather Model

Updated 22 July 2026 17:45 NZST

Long-Range Snow Forecast for Sun Valley

Long-range (14 to 45 days) from 22 July.

For Forecast detail, see below.

Sun Valley 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.

Long-range Snow Outlook for Sun Valley

 
Snowfall

 
Snow Line

Max 35℃
Min 14℃

Snow unlikely

Sun Valley Long-Range (2 weeks+) Snow Forecast Outlook

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.

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

Cloudy.

Max 28℃
Min 17℃
Thu
23
Clear

Clear sky.

Max 32℃
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 32℃
Min 18℃
Mon
27
Clear

Clear sky.

Max 31℃
Min 14℃
Tue
28
Clear

Clear sky.

Max 34℃
Min 16℃

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 17:45 NZST, next update expected 23:00 NZST.

Ensemble forecast for Sun Valley, USA at 1,750m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

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.

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.