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Alta Snow Forecast - 25th May 2026

Alta Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 26 May 2026 03:46 AEST

Snow Forecast for Alta

Snow and Weather from 25 May.

For Forecast detail, see below.

Alta 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.

Forecast for today in Alta

Max 19℃
Min 9℃

Valley temperatures from an overnight low of 9℃ to daytime highs around 19℃

Temperature at BaseTemp at Base

Mon
25

Snow unlikely

CloudFairCloudCloud

Cloudy, fair, cloudy later.

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

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Alta 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Alta from OpenMeteo(GFS)
Mon
25
Tue
26
Wed
27
Thu
28
Fri
29
Sat
30
Sun
31
WindSE F3SE F4SE F4SE F3SW F2
3,374m
12℃
Clear
9℃
Cloud
10℃
Clear
11℃
Cloud
6℃
Clear
8℃
Cloud
12℃
Clear
S F3SE F4SE F4SE F3SW F2
2,987m
15℃
Cloud
12℃
Cloud
13℃
Clear
13℃
Cloud
9℃
Clear
10℃
Cloud
14℃
Clear
S F3SE F4SE F3SE F3SW F2
2,600m
19℃
Cloud
15℃
Cloud
16℃
Clear
16℃
Cloud
11℃
Clear
13℃
Cloud
17℃
Clear
Snow Line
Max Town19℃15℃16℃16℃11℃13℃17℃
Min Town9℃6℃4℃5℃3℃2℃4℃

This table shows the average forecast snowfall, the maximum temperature, and expected general weather at resort, lower and upper mountain levels. For daily forecast details, see below.

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.

Understanding and predicting Snow Conditions in Alta

Here are our tips for making the most of a trip to Alta, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Alta, but like any mountain, snow conditions change throughout the season, from day to day, and even from hour to hour.

Whether you’re sticking to the marked pistes or venturing off-piste, here’s what you need to know:

Pistes (Groomers) or Off-Piste

These can be a world apart, regarding snow conditions, even ignoring the difference between the natural terrain features to be found off-piste and the generally controlled surfaces and slopes of a pisted (groomed) run.

  • Piste Conditions can range from fresh powder to firm, icy surfaces, particularly after warm spells or a busy day on the mountain with the passage of many skiers.
  • Off-Piste Conditions are far more variable. Wind and sun can quickly transform fresh snow into wind crust or slushy layers, whilst cold weather can preserve stashes of powder many days after a snowfall.

WARNING - skiing off-piste (out-of-bounds) at Alta is not always controlled (slopes made safe from avalanche risk) or patrolled. Always check local advice, ski with safety kit (and know how to use it), and never ski alone.

Analyzing Weather and Snowfall Forecasts

Whilst no forecast can tell you exactly how snow conditions in Alta will develop, checking the forecast regularly should give you an idea of what to expect.

New snowfall can bring fresh powder and refresh the surfaces of pisted runs. Powder can be tracked out quickly at busy times, but in less crowded and shaded areas, fresh snow can linger for days.

Changes in weather conditions, such as milder temperatures, rain or wind, can degrade snow quality. Conversely, cold, stable weather can preserve conditions for extended periods.

Predicting Future Snow Quality

Regularly check our snow and weather forecasts for Alta for changes that may affect snow quality. Forecast snowfall depth and recent snowfall are good indicators of what to expect.

Use historical data and recent snow reports to understand past snow conditions and anticipate future changes.