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.

Fair

13°F

-11°C

Humidity 42%
Wind Speed Calm
Barometer 29.54 in (1000.6 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 4 Mar 2:53 pm AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: Sunny, with a high near 10. Calm wind.

    High: 10 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature rising to around 13 by 5am. Southeast wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph.

    Low: 7 °F⇑

    Increasing
    Clouds

  • Thursday

    Thursday: Snow likely, mainly between 9am and 3pm. Mostly cloudy, with a high near 18. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 18 °F

    Snow Likely

  • Thursday Night

    Thursday Night: Snow, mainly after midnight. Areas of blowing snow after midnight. Low around 17. East wind 15 to 25 mph increasing to 25 to 35 mph after midnight. Chance of precipitation is 90%.

    Low: 17 °F

    Chance Snow
    then Snow and
    Areas Blowing
    Snow

  • Friday

    Friday: Snow, mainly before 3pm, then snow showers likely after 3pm. Areas of blowing snow before noon. High near 25. East wind 30 to 40 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%.

    High: 25 °F

    Snow and
    Areas Blowing
    Snow then
    Snow Likely

  • Friday Night

    Friday Night: Snow showers likely, mainly after 3am. Mostly cloudy, with a low around 10. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 10 °F

    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers likely before 9am, then snow likely after 9am. Cloudy, with a high near 19. Chance of precipitation is 70%.

    High: 19 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 3am. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 14.

    High: 14 °F

    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 10. Calm wind.
Tonight
Increasing clouds, with a temperature rising to around 13 by 5am. Southeast wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Snow likely, mainly between 9am and 3pm. Mostly cloudy, with a high near 18. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Thursday Night
Snow, mainly after midnight. Areas of blowing snow after midnight. Low around 17. East wind 15 to 25 mph increasing to 25 to 35 mph after midnight. Chance of precipitation is 90%.
Friday
Snow, mainly before 3pm, then snow showers likely after 3pm. Areas of blowing snow before noon. High near 25. East wind 30 to 40 mph decreasing to 5 to 15 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 100%.
Friday Night
Snow showers likely, mainly after 3am. Mostly cloudy, with a low around 10. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Saturday
Snow showers likely before 9am, then snow likely after 9am. Cloudy, with a high near 19. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 3am. Mostly cloudy, with a low around 5.
Sunday
A chance of snow. Mostly cloudy, with a high near 14.
Sunday Night
A chance of snow before 3am. Mostly cloudy, with a low around -2.
Monday
Mostly sunny, with a high near 10.
Monday Night
Partly cloudy, with a low around -5.
Tuesday
Partly sunny, with a high near 8.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Alyeska AK
 61.02°N 149.22°W (Elev. 4324 ft)
Last Update:
5:52 am AKST Mar 4, 2026
Forecast Valid:
3pm AKST Mar 4, 2026-6pm AKDT Mar 10, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation