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

34°F

1°C

Humidity 85%
Wind Speed W 3 mph
Barometer 29.71 in (1006.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 2:53 am AKDT
Extended Forecast for

4 Miles NNW Alyeska AK

  • Overnight

    Overnight: Snow. Low around 25. Calm wind. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Snow

  • Sunday

    Sunday: Snow. High near 27. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 27 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 24. Northwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Snow Likely

  • Monday

    Monday: Cloudy, with a high near 30. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Overnight
Snow. Low around 25. Calm wind. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Sunday
Snow. High near 27. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 24. Northwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Cloudy, with a high near 30. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 20. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 25.
Thursday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 32.
Thursday Night
Snow likely. Mostly cloudy, with a low around 27.
Friday
Snow. Mostly cloudy, with a high near 32.
Friday Night
Snow. Cloudy, with a low around 28.
Saturday
Snow likely. Cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alyeska AK
 61.02°N 149.17°W (Elev. 3599 ft)
Last Update:
8:02 pm AKDT Apr 11, 2026
Forecast Valid:
3am AKDT Apr 12, 2026-6pm AKDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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