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Alyeska Snow Forecast - 12th May 2026

Alyeska Snow Report and Forecast

ECMWF IFS
GEM
GFS

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Updated 12 May 2026 10:50 PDT

Snow Forecast for Alyeska

Snow and Weather from 12 May.

For Forecast detail, see below.

Alyeska Snow Forecast Highlights

When will there be fresh snow in Alyeska?

Alyeska Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (1,509ft)
Next Snow Expected17 May
Next Snow Amount-
Next 48 Hours-
Next 7 Days1in

Forecast for today in Alyeska

Max 42°F
Min 35°F

Valley temperatures from an overnight low of 35°F to daytime highs around 42°F

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Tue
12

up to 2in New Snow

CloudCloudFogCloud

Cloudy, fog, cloudy later.

Snow Line from 2,031ft to 587ft, with rain below.

Forecast times for Alyeska are in Anchorage (US/Alaska) time zone.

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Alyeska 7-Day Snow Forecast Overview

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Summary Weather and Snow Forecast for Alyeska from OpenMeteo(GFS)
Tue
12
Wed
13
Thu
14
Fri
15
Sat
16
Sun
17
Mon
18
WindE F3SE F2E F2E F3SE F2
2,756ft
33°F
Snow
+2in
33°F
Snow
+1in
33°F
Fog
35°F
Fog
34°F
Fog
31°F
Snow
+2in
34°F
Lt Snow Shwrs
E F3SE F2E F2E F3SE F2
1,509ft
37°F
Snow
37°F
Cloud
37°F
Fog
40°F
Fog
39°F
Fog
36°F
Snow
39°F
Lt Snow Shwrs
E F3SE F2E F2E F3SE F2
262ft
42°F
Cloud
42°F
Cloud
42°F
Fog
44°F
Fog
43°F
Fog
40°F
Cloud
43°F
Mixed
Snow Line

varying 2,031ft
to 587ft

varying 2,064ft
to 1,736ft

1,243ft

varying 2,031ft
to 1,145ft

varying 1,539ft
to 1,375ft

Max Town42°F42°F42°F44°F43°F40°F43°F
Min Town35°F40°F38°F35°F36°F39°F39°F

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.

United States Hotels Map

 

Snow Reliability

Alyeska typically sees an impressive average snowfall of 650 inches annually, with snow depths varying throughout the season. For the latest snow conditions and detailed reports, check J2Ski for up-to-date information.

Understanding and predicting Snow Conditions in Alyeska

Here are our tips for making the most of a trip to Alyeska, with the help of the J2Ski Snow forecasts and reports. You can find some great skiing in Alyeska, 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 Alyeska 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 Alyeska 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 Alyeska 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.