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Alta 7-Day Snow Forecast - 18th August 2026

Alta Snow Forecast - 7 day

ECMWF IFS
GEM
GFS

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Updated 18 August 2026 21:50 AEST

7-Day Snow Forecast for Alta

1-week from 18 August.

For Forecast detail, see below.

Alta 7-Day Snow Forecast Highlights

When will there be fresh snow in Alta?

Alta Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,987m)
Next Snow?
There is no snow currently in the forecast for Alta.

7-Day Snow Outlook for Alta

 
Snowfall

 
Snow Line

Max 29℃
Min 11℃

Snow unlikely

Alta 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 23℃
Min 14℃

Valley temperatures from an overnight low of 14℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Tue
18

Snow unlikely

ClearCloudClearCloud

Clear sky first, cloudy then clear sky, cloudy later.

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

Max 24℃
Min 15℃

Valley temperatures from an overnight low of 15℃ to daytime highs around 24℃

Temperature at BaseTemp at Base

Wed
19

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Max 28℃
Min 15℃

Valley temperatures from an overnight low of 15℃ to daytime highs around 28℃

Temperature at BaseTemp at Base

Thu
20

Snow unlikely

ClearClearClearCloud

Clear sky early, then cloudy later.

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

Max 29℃
Min 16℃

Valley temperatures from an overnight low of 16℃ to daytime highs around 29℃

Temperature at BaseTemp at Base

Fri
21

Snow unlikely

ShwrsCloudCloudCloud

Rain showers early, then cloudy later.

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

Max 25℃
Min 14℃

Valley temperatures from an overnight low of 14℃ to daytime highs around 25℃

Temperature at BaseTemp at Base

Sat
22

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 26℃
Min 11℃

Valley temperatures from an overnight low of 11℃ to daytime highs around 26℃

Temperature at BaseTemp at Base

Sun
23

Snow unlikely

ClearCloudCloudFair

Clear sky, cloudy, fair later.

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

Max 23℃
Min 13℃

Valley temperatures from an overnight low of 13℃ to daytime highs around 23℃

Temperature at BaseTemp at Base

Mon
24

Snow unlikely

Lt RainCloudCloudCloud

Light rain showers early, then cloudy later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Alta, 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 Alta, on any given trail 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.

Alta Snow Forecast updated at 21:50 AEST, next update expected imminently.

Snow Reliability

Alta is known for its impressive snow reliability, with typical snow depths ranging from 100 to 300 inches. For the latest snow conditions, visit J2Ski for up-to-date information.