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 Vrbl 7 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill33°F (1°C)
Last update 3 Dec 2:53 am AKST
Extended Forecast for

6 Miles NNW Alyeska AK

  • Overnight

    Overnight: A chance of snow. Mostly cloudy, with a low around 27. Southeast wind around 20 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly before noon. Cloudy, with a high near 30. Southeast wind 15 to 20 mph becoming light in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after midnight. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 24. South wind around 5 mph becoming calm. Chance of precipitation is 50%.

    High: 24 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 16. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: Mostly cloudy, with a high near 19. North wind around 5 mph becoming northeast in the afternoon.

    High: 19 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 9am. Mostly cloudy, with a high near 9.

    High: 9 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of snow. Mostly cloudy, with a low around 27. Southeast wind around 20 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, mainly before noon. Cloudy, with a high near 30. Southeast wind 15 to 20 mph becoming light in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 50%.
Thursday
A chance of snow. Mostly cloudy, with a high near 24. South wind around 5 mph becoming calm. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 19. North wind around 5 mph becoming northeast in the afternoon.
Friday Night
Mostly cloudy, with a low around 5.
Saturday
A chance of snow after 9am. Mostly cloudy, with a high near 9.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 4.
Sunday
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 12.
Sunday Night
Snow likely. Mostly cloudy, with a low around 4.
Monday
A chance of snow. Mostly cloudy, with a high near 10.
Monday Night
A chance of snow. Mostly cloudy, with a low around -1.
Tuesday
A chance of snow. Mostly cloudy, with a high near 4.
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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:
8:29 pm AKST Dec 2, 2025
Forecast Valid:
3am 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