Alyeska Snow Report and Forecast
Snow Forecast for Alyeska
This is the Snow Forecast for Alyeska, United States for 16 days from 17 November.
Updated 17 November 2025 21:33 NZDT.
Forecast times for Alyeska are in Alaska Time (US/Alaska).
For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Alyeska.
J2Ski - Sign In to see the full long-range snow forecast (out to 16 days, with more weather detail).
Alyeska Snow Forecast Highlights
When will there be fresh snow in Alyeska?
| Next Snow Expected | 17 November |
|---|---|
| Next Snow Amount | 2cm |
| Next 48 Hours | 3cm |
| Next 7 Days | 15cm |
Forecast for today in Alyeska
Max 3℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 3℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
17
up to 3cm New Snow
Light snow showers first, cloudy then snow at altitude, cloudy later.
Snow Line from 169m to 129m, with rain below.
Alyeska has 3cm new snow forecast in the next 48 hours.
Alyeska Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
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| Mon 17 | Tue 18 | Wed 19 | Thu 20 | Fri 21 | Sat 22 | Sun 23 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F2 | E F2 | SE F3 | SE F3 | |||
| 840m | -2℃
+3cm
| -3℃
 | -4℃
| -1℃
 +11cm
| -1℃
+1cm
| -2℃
| -3℃
+1cm
|
| SE F2 | SE F2 | SE F3 | E F3 | ||||
| 460m | 0℃
+2cm
| 0℃
| -1℃
| 1℃
 +4cm
| 1℃
| 0℃
| -1℃
+1cm
|
| E F2 | E F3 | E F3 | |||||
| 80m | 3℃
| 3℃
| 2℃
| 4℃
| 4℃
| 3℃
| 2℃
|
| Snow Line | varying 169m | varying 519m | varying 409m | 379m | varying 229m | ||
| Max Town | 3℃ | 3℃ | 2℃ | 4℃ | 4℃ | 3℃ | 2℃ |
| Min Town | 1℃ | -1℃ | -1℃ | -2℃ | 3℃ | 0℃ | -1℃ |
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.
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 3℃
Min 1℃
Valley temperatures from an overnight low of 1℃ to daytime highs around 3℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
17
up to 3cm New Snow
Light snow showers first, cloudy then snow at altitude, cloudy later.
Snow Line from 169m to 129m, with rain below.
Max 3℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 3℃
Temperature at BaseTemp at Base
Tue
18
Snow unlikely
Clear spells early, then cloudy later.
Max 2℃
Min -1℃
Valley temperatures from an overnight low of -1℃ to daytime highs around 2℃
Temperature at BaseTemp at Base
Wed
19
Snow unlikely
Clear spells.
Max 4℃
Min -2℃
Freeze-thaw conditions, with valley temperatures cooling to -2℃ and rising to 4℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
20
up to 11cm New Snow
Cloudy first, clear sky then rain showers, light snow at altitude later.
Snow Line from 519m to 139m, with rain below.
Max 4℃
Min 3℃
Valley temperatures from an overnight low of 3℃ to daytime highs around 4℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Fri
21
up to 1cm New Snow
Rain first, clear spells then rain showers, cloudy later.
Snow Line from 409m to 379m, with rain below.
Max 3℃
Min 0℃
Valley temperatures from an overnight low of 0℃ to daytime highs around 3℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sat
22
Snow unlikely
Cloudy, light rain, clear spells later.
Max 2℃
Min -1℃
Freeze-thaw conditions, with valley temperatures cooling to -1℃ and rising to 2℃
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
23
up to 1cm New Snow
Fair, clear spells, cloudy later.
Snow Line from 229m to resort level.
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 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.
Alyeska Snow Forecast updated at 21:33 NZDT, next update expected 03:00 NZDT.
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.