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

1°F

-17°C

Humidity 83%
Wind Speed W 3 mph
Barometer 30.04 in (1017.6 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 24 Dec 2:53 pm AKST
Extended Forecast for

10 Miles NE Alyeska AK

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 15. Northwest wind around 20 mph.

    High: 15 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around -2. Wind chill values as low as -30. Northwest wind 30 to 35 mph increasing to 40 to 45 mph.

    Low: -2 °F

    Decreasing
    Clouds

  • Christmas Day

    Christmas Day: Sunny, with a high near 4. North wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon.

    High: 4 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Snow likely, mainly after noon. Cloudy, with a high near 9. Southwest wind 5 to 15 mph becoming southeast in the afternoon. Chance of precipitation is 70%.

    High: 9 °F

    Chance Snow
    then Snow
    Likely

  • Friday Night

    Friday Night: Snow likely. Cloudy, with a low around 4. East wind 10 to 15 mph. Chance of precipitation is 70%.

    Low: 4 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 3pm. Cloudy, with a high near 11. Chance of precipitation is 60%.

    High: 11 °F

    Snow 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 -2.

    High: -2 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 15. Northwest wind around 20 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around -2. Wind chill values as low as -30. Northwest wind 30 to 35 mph increasing to 40 to 45 mph.
Christmas Day
Sunny, with a high near 4. North wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 2. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Friday
Snow likely, mainly after noon. Cloudy, with a high near 9. Southwest wind 5 to 15 mph becoming southeast in the afternoon. Chance of precipitation is 70%.
Friday Night
Snow likely. Cloudy, with a low around 4. East wind 10 to 15 mph. Chance of precipitation is 70%.
Saturday
Snow likely, mainly after 3pm. Cloudy, with a high near 11. Chance of precipitation is 60%.
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 -2.
Sunday Night
A chance of snow. Mostly cloudy, with a low around -7.
Monday
A chance of snow. Mostly cloudy, with a high near 2.
Monday Night
A chance of snow. Mostly cloudy, with a low around -3.
Tuesday
A chance of snow. Mostly cloudy, with a high near 8.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Alyeska AK
 61.08°N 148.94°W (Elev. 6198 ft)
Last Update:
3:41 pm AKST Dec 24, 2025
Forecast Valid:
3pm AKST Dec 24, 2025-6pm AKST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation