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

21°F

-6°C

Humidity 62%
Wind Speed Calm
Barometer 30.02 in (1016.9 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 23 Feb 11:53 am AKST
Extended Forecast for

Alyeska AK

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 38. Calm wind.

    High: 38 °F

    Partly Sunny

  • Tonight

    Tonight: Freezing rain, mainly after 3am. Low around 26. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 26 °F

    Chance
    Freezing Rain
    then Freezing
    Rain

  • Tuesday

    Tuesday: Snow and freezing rain likely before 9am, then a chance of snow. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 31 °F⇓

    Wintry Mix
    Likely then
    Chance Snow
    and Areas
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 1. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 6. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 6 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -12. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: -12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 0.

    High: 0 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -11.

    Low: -11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 7.

    High: 7 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 38. Calm wind.
Tonight
Freezing rain, mainly after 3am. Low around 26. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible.
Tuesday
Snow and freezing rain likely before 9am, then a chance of snow. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 21 by 5pm. North wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 1. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 6. Northwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around -12. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 0.
Thursday Night
Partly cloudy, with a low around -11.
Friday
Mostly sunny, with a high near 7.
Friday Night
Partly cloudy, with a low around -1.
Saturday
Partly sunny, with a high near 15.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 19.
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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:
5:27 am AKST Feb 23, 2026
Forecast Valid:
12pm AKST Feb 23, 2026-6pm AKST Mar 1, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation