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Alyeska 7-Day Snow Forecast - 12th September 2026

Alyeska Snow Forecast - 7 day

ECMWF IFS
GEM
GFS

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Updated 12 September 2026 10:48 PDT

7-Day Snow Forecast for Alyeska

1-week from 12 September.

For Forecast detail, see below.

Alyeska 7-Day 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?
There is no snow currently in the forecast for Alyeska.

7-Day Snow Outlook for Alyeska

 
Snowfall

 
Snow Line

Max 64°F
Min 48°F

Snow unlikely

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Alyeska 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 64°F
Min 51°F

Valley temperatures from an overnight low of 51°F to daytime highs around 64°F

Temperature at BaseTemp at Base

Sat
12

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 64°F
Min 51°F

Valley temperatures from an overnight low of 51°F to daytime highs around 64°F

Temperature at BaseTemp at Base

Sun
13

Snow unlikely

ShwrsClearCloudCloud

Rain showers, clear sky, cloudy later.

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

Max 61°F
Min 52°F

Valley temperatures from an overnight low of 52°F to daytime highs around 61°F

Temperature at BaseTemp at Base

Mon
14

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 52°F
Min 50°F

Valley temperatures from an overnight low of 50°F to daytime highs around 52°F

Temperature at BaseTemp at Base

Tue
15

Snow unlikely

CloudLt DrizzleHvy DrizzleLt Drizzle

Cloudy first, light drizzle then heavy drizzle, light drizzle later.

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

Max 58°F
Min 50°F

Valley temperatures from an overnight low of 50°F to daytime highs around 58°F

Temperature at BaseTemp at Base

Wed
16

Snow unlikely

ShwrsLt RainFogCloud

Rain showers first, light rain then fog, cloudy later.

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

Max 57°F
Min 48°F

Valley temperatures from an overnight low of 48°F to daytime highs around 57°F

Temperature at BaseTemp at Base

Thu
17

Snow unlikely

CloudCloudCloudCloud

Cloudy.

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

Max 56°F
Min 49°F

Valley temperatures from an overnight low of 49°F to daytime highs around 56°F

Temperature at BaseTemp at Base

Fri
18

Snow unlikely

CloudCloudCloudLt Drizzle

Cloudy early, then light drizzle later.

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

No significant snowfall is forecast for this period.

This Snow Forecast for Alyeska, 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 Alyeska, 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.

Alyeska Snow Forecast updated at 10:48 PDT, next update expected 16:00 PDT.

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.