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Alta Weather Forecast - 7 to 16 days - 21st March 2026

Alta Weather

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Weather Forecast for Alta (2,600m to 3,374m)

Weather Outlook from 21 March.

Alta Forecast

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

Alta Weather Forecast updated at 18:41 NZDT, next update expected 00:00 NZDT.

Long-range Snow Outlook for Alta

 
Snowfall

 
Snow Line

Max 17℃
Min 2℃

Snow unlikely

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Alta Daily Weather Forecast Detail

16 Day Weather and Snow Forecast for Alta from OpenMeteo(GFS)
BaseSnow and WeatherTemp
Town
Sat
21
Clear

Clear sky.

Max 17℃
Min 11℃
Sun
22
Clear

Cloudy at altitude, clear sky below.

Max 11℃
Min 5℃
Mon
23
Cloud

Cloudy.

Max 12℃
Min 5℃
Tue
24
Clear

Clear sky.

Max 15℃
Min 6℃
Wed
25
Clear

Clear sky.

Max 16℃
Min 7℃
Thu
26
Clear

Clear sky.

Max 12℃
Min 5℃
Fri
27
Cloud

Cloudy.

Max 11℃
Min 2℃

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 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.

Alta Weather Forecast updated at 18:41 NZDT, next update expected 00:00 NZDT.

Current Snow

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

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

Off-Piste Safety in Alta

Before skiing or snowboarding off-piste in Alta, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.