National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Overcast

4°F

-16°C

Humidity 76%
Wind Speed Calm
Barometer 29.48 in (998.5 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 28 Dec 5:53 pm AKST
Extended Forecast for

Alyeska AK

  • Tonight

    Tonight: Mostly clear, with a low around 0. Calm wind.

    Low: 0 °F

    Mostly Clear

  • Monday

    Monday: Snow likely, mainly after 3pm. Increasing clouds, with a high near 21. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 21 °F

    Mostly Sunny
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow. Temperature falling to near 15 by 8pm, then rising to around 25 during the remainder of the night. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 15 °F⇑

    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.

    High: 25 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 14. North wind around 5 mph. Chance of precipitation is 40%.

    Low: 14 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 3pm. Mostly cloudy, with a high near 19. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 19 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow after 9pm. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.

    Low: 4 °F

    Chance Snow

  • New Year's Day

    New Year's Day: A chance of snow before 3pm. Partly sunny, with a high near 8.

    High: 8 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 0. Calm wind.
Monday
Snow likely, mainly after 3pm. Increasing clouds, with a high near 21. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow. Temperature falling to near 15 by 8pm, then rising to around 25 during the remainder of the night. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 25. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 14. North wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of snow before 3pm. Mostly cloudy, with a high near 19. Northwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow after 9pm. Mostly cloudy, with a low around 4. Chance of precipitation is 30%.
New Year's Day
A chance of snow before 3pm. Partly sunny, with a high near 8.
Thursday Night
Partly cloudy, with a low around 3.
Friday
Partly sunny, with a high near 12.
Friday Night
Mostly cloudy, with a low around 6.
Saturday
Partly sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
Partly sunny, with a high near 13.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
4:40 pm AKST Dec 28, 2025
Forecast Valid:
5pm AKST Dec 28, 2025-6pm AKST Jan 4, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation