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.

Fog/Mist

40°F

4°C

Humidity 93%
Wind Speed SE 9 G 22 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 38°F (3°C)
Visibility 6.00 mi
Wind Chill34°F (1°C)
Last update 2 Dec 12:53 am AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • Overnight

    Overnight: Snow likely. Mostly cloudy, with a low around 28. Southeast wind 20 to 30 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 28 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow. High near 31. Southeast wind 35 to 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 29. Southeast wind 20 to 30 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow likely, mainly before 9am. Cloudy, with a high near 30. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.

    Low: 25 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow before 3pm. Mostly cloudy, with a high near 27. Northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

    High: 27 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow after 3am. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.

    Low: 16 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 19.

    High: 19 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow

Detailed Forecast

Overnight
Snow likely. Mostly cloudy, with a low around 28. Southeast wind 20 to 30 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow. High near 31. Southeast wind 35 to 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 29. Southeast wind 20 to 30 mph decreasing to 5 to 15 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before 9am. Cloudy, with a high near 30. East wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 25. Calm wind becoming south around 5 mph. Chance of precipitation is 60%.
Thursday
A chance of snow before 3pm. Mostly cloudy, with a high near 27. Northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.
Thursday Night
A chance of snow after 3am. Mostly cloudy, with a low around 16. Chance of precipitation is 50%.
Friday
A chance of snow. Mostly cloudy, with a high near 19.
Friday Night
A chance of snow. Mostly cloudy, with a low around 8.
Saturday
A chance of snow. Mostly cloudy, with a high near 12.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7.
Sunday
A chance of snow. Mostly cloudy, with a high near 13.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 8.
Monday
A chance of snow. Mostly cloudy, with a high near 12.
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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:
8:36 pm AKST Dec 1, 2025
Forecast Valid:
1am AKST Dec 2, 2025-6pm AKST Dec 8, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation