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.

Mostly Cloudy

-2°F

-19°C

Humidity 83%
Wind Speed Calm
Barometer 29.45 in (997.7 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 29 Dec 3:53 am AKST
Extended Forecast for

Alyeska AK

  • Today

    Today: 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%. Total daytime snow accumulation of less than one inch possible.

    High: 21 °F

    Mostly Sunny
    then Snow
    Likely

  • Tonight

    Tonight: 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%. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow before 3am. Mostly cloudy, with a low around 10. North wind around 5 mph. Chance of precipitation is 40%.

    Low: 10 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before noon. Mostly cloudy, with a high near 16. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 16 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph.

    Low: 2 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A chance of snow between 9am and 3pm. Partly sunny, with a high near 8. Chance of precipitation is 40%.

    High: 8 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 8.

    High: 8 °F

    Partly Sunny

Detailed Forecast

Today
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%. Total daytime snow accumulation of less than one inch possible.
Tonight
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%. New snow accumulation of less than a half inch possible.
Tuesday Night
A chance of snow before 3am. Mostly cloudy, with a low around 10. North wind around 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of snow before noon. Mostly cloudy, with a high near 16. Northwest wind around 5 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph.
New Year's Day
A chance of snow between 9am and 3pm. Partly sunny, with a high near 8. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 0.
Friday
Partly sunny, with a high near 8.
Friday Night
Mostly cloudy, with a low around 1.
Saturday
A chance of snow. Mostly cloudy, with a high near 11.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4.
Sunday
A chance of snow. Mostly cloudy, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
9:20 pm AKST Dec 28, 2025
Forecast Valid:
4am AKST Dec 29, 2025-6pm AKST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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