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.

Overcast

38°F

3°C

Humidity 97%
Wind Speed Calm
Barometer 29.77 in (1008.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 3 Dec 1:53 pm AKST
Extended Forecast for

15 Miles NNE Alyeska AK

  • This Afternoon

    This Afternoon: A chance of snow. Cloudy, with a high near 24. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%.

    High: 24 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow. Mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 50%.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 20. Calm wind. Chance of precipitation is 50%.

    High: 20 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 3am. Mostly cloudy, with a low around 11. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 40%.

    Low: 11 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 15. Northeast wind 5 to 10 mph.

    High: 15 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow after 3am. Mostly cloudy, with a low around 1. Northeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 1 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 5. Chance of precipitation is 40%.

    High: 5 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around -1.

    Low: -1 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 8.

    High: 8 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 24. Southwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tonight
A chance of snow. Mostly cloudy, with a low around 18. Calm wind. Chance of precipitation is 50%.
Thursday
A chance of snow. Mostly cloudy, with a high near 20. Calm wind. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 3am. Mostly cloudy, with a low around 11. Northwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 15. Northeast wind 5 to 10 mph.
Friday Night
A chance of snow after 3am. Mostly cloudy, with a low around 1. Northeast wind around 10 mph. Chance of precipitation is 40%.
Saturday
A chance of snow. Partly sunny, with a high near 5. Chance of precipitation is 40%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around -1.
Sunday
A chance of snow. Mostly cloudy, with a high near 8.
Sunday Night
A chance of snow. Mostly cloudy, with a low around -1.
Monday
A chance of snow. Mostly cloudy, with a high near 5.
Monday Night
A chance of snow. Mostly cloudy, with a low around -5.
Tuesday
A chance of snow. Mostly cloudy, with a high near 0.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Alyeska AK
 61.16°N 148.88°W (Elev. 6631 ft)
Last Update:
4:00 am AKST Dec 3, 2025
Forecast Valid:
2pm AKST Dec 3, 2025-6pm AKST Dec 9, 2025
 
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