Alyeska Snow Report and Forecast
Snow Forecast for Alyeska
When will there be fresh snow?
This is the Snow Forecast for Alyeska, United States for 15 days from 21 February.
Updated 20 February 2025 20:03 IST.
| Next Snow Expected | 21 February |
|---|---|
| Next Snow Amount | 3cm |
| Next 48 Hours | 11cm |
| Next 7 Days | 39cm |
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For Forecast detail, see below.
For current snow depths and skiing conditions, see our Current Snow Report for Alyeska.
Forecast for today in Alyeska
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
21
up to 4cm New Snow
Rain showers first, light rain then rain, light rain later.
Snow Line from 469m to 339m, with rain below.
Alyeska has 11cm new snow forecast in the next 48 hours.
Alyeska Snow Report
| Upper Snow Depths |
| - |
| Lower Snow Depths |
| - |
| Snow Conditions |
| - |
Alyeska 7-Day Snow Forecast Overview
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| Fri 21 | Sat 22 | Sun 23 | Mon 24 | Tue 25 | Wed 26 | Thu 27 | |
|---|---|---|---|---|---|---|---|
| Wind | SE F3 | SE F3 | SE F3 | ||||
| 840m | -1℃
 +4cm
| -1℃
 +2cm
| -1℃
+5cm
| -1℃
 +1cm
| -1℃
+5cm
| -1℃
+3cm
| -1℃
+9cm
|
| E F3 | E F3 | E F2 | |||||
| 460m | 2℃
+3cm
| 1℃
+1cm
| 1℃
+3cm
| 2℃
+1cm
| 2℃
+3cm
| 2℃
+3cm
| 2℃
+8cm
|
| E F2 | E F2 | E F2 | |||||
| 80m | 6℃
 | 3℃
 | 4℃
| 5℃
| 5℃
| 4℃
| 4℃
 |
| Snow Line | varying 469m | varying 349m | varying 479m | varying 499m | varying 499m | varying 399m | varying 469m |
| Max Town | 6℃ | 3℃ | 4℃ | 5℃ | 5℃ | 4℃ | 4℃ |
| Min Town | 3℃ | 2℃ | 2℃ | 2℃ | 3℃ | 3℃ | 2℃ |
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.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Fri
21
up to 4cm New Snow
Rain showers first, light rain then rain, light rain later.
Snow Line from 469m to 339m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sat
22
up to 2cm New Snow
Light rain, cloudy, light snow at altitude later.
Snow Line from 349m to 139m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Sun
23
up to 5cm New Snow
Light snow at altitude early, then light rain later.
Snow Line from 479m to 219m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Mon
24
up to 1cm New Snow
Light rain, cloudy, light rain later.
Snow Line from 499m to 379m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Tue
25
up to 5cm New Snow
Light rain.
Snow Line from 499m to 369m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Wed
26
up to 3cm New Snow
Light rain.
Snow Line from 399m to 269m, with rain below.
Temperature at BaseTemp at Base
Snowfall per hour
Snow Line
Thu
27
up to 9cm New Snow
Snow at altitude, rain, clear spells later.
Snow Line from 469m to 119m, with rain below.
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 20:03 IST, next update expected imminently.
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.