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.

Partly Cloudy

-6°F

-21°C

Humidity 86%
Wind Speed Calm
Barometer 29.51 in (999.7 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 28 Dec 8:53 pm AKST
Extended Forecast for

6 Miles NNW Alyeska AK

  • Tonight

    Tonight: Clear, with a low around -3. East wind 10 to 15 mph.

    Low: -3 °F

    Clear

  • Monday

    Monday: Snow likely, mainly after 3pm. Increasing clouds, with a high near 16. Northeast wind 10 to 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 16 °F

    Mostly Sunny
    then Snow
    Likely

  • Monday Night

    Monday Night: Snow. Areas of blowing snow between 9pm and 3am. Temperature rising to around 22 by 4am. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 13 °F⇑

    Snow and
    Areas Blowing
    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 22. East wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 8. Northeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.

    Low: 8 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow before 3pm. Mostly cloudy, with a high near 15. Northwest wind around 10 mph. Chance of precipitation is 30%.

    High: 15 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow after 9pm. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.

    Low: -2 °F

    Chance Snow

  • New Year's Day

    New Year's Day: A chance of snow before 3pm. Partly sunny, with a high near 4.

    High: 4 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around -3. East wind 10 to 15 mph.
Monday
Snow likely, mainly after 3pm. Increasing clouds, with a high near 16. Northeast wind 10 to 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday Night
Snow. Areas of blowing snow between 9pm and 3am. Temperature rising to around 22 by 4am. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 22. East wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 8. Northeast wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Wednesday
A chance of snow before 3pm. Mostly cloudy, with a high near 15. Northwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of snow after 9pm. Mostly cloudy, with a low around -2. Chance of precipitation is 30%.
New Year's Day
A chance of snow before 3pm. Partly sunny, with a high near 4.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Partly sunny, with a high near 7.
Friday Night
Mostly cloudy, with a low around 0.
Saturday
Partly sunny, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly sunny, with a high near 8.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
4:40 pm AKST Dec 28, 2025
Forecast Valid:
9pm AKST Dec 28, 2025-6pm AKST Jan 4, 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