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

Hazardous Weather Conditions

Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Fog/Mist

23°F

-5°C

Humidity 96%
Wind Speed Calm
Barometer 30.36 in (1028.2 mb)
Dewpoint 22°F (-6°C)
Visibility 1.00 mi
Last update 21 Jan 5:53 am AKST
Extended Forecast for

Alyeska AK

Dense Fog Advisory until January 21, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until January 21, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 30 °F

    Patchy
    Freezing Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy freezing fog after 9pm. Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy
    Freezing Fog

  • Thursday

    Thursday: Patchy freezing fog before 9am. Mostly sunny, with a high near 33. Calm wind becoming northeast around 5 mph.

    High: 33 °F

    Patchy
    Freezing Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. East wind around 5 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 29. East wind around 5 mph.

    High: 29 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. East wind around 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 3am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Today
Patchy freezing fog before 9am. Partly sunny, with a high near 30. Calm wind.
Tonight
Patchy freezing fog after 9pm. Partly cloudy, with a low around 24. Calm wind.
Thursday
Patchy freezing fog before 9am. Mostly sunny, with a high near 33. Calm wind becoming northeast around 5 mph.
Thursday Night
Mostly clear, with a low around 18. East wind around 5 mph.
Friday
Sunny, with a high near 29. East wind around 5 mph.
Friday Night
Partly cloudy, with a low around 26. East wind around 5 mph.
Saturday
Partly sunny, with a high near 34.
Saturday Night
A chance of snow after 3am. Mostly cloudy, with a low around 28.
Sunday
A chance of snow. Mostly cloudy, with a high near 33.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 23.
Monday
A chance of snow. Mostly cloudy, with a high near 29.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
Snow likely. Mostly cloudy, with a high near 30.
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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:
5:54 am AKST Jan 21, 2026
Forecast Valid:
6am AKST Jan 21, 2026-6pm AKST Jan 27, 2026
 
Forecast Discussion
 
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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