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

29°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 29.87 in (1011.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 18 Apr 4:53 am AKDT
Extended Forecast for

4 Miles NNW Alyeska AK

  • Overnight

    Overnight: Scattered snow showers. Mostly cloudy, with a low around 26. Northeast wind around 5 mph. Chance of precipitation is 50%.

    Low: 26 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Scattered snow showers, mainly before 7am. Partly sunny, with a high near 31. Northeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 31 °F

    Scattered
    Snow Showers
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after 10pm. Low around 26. Southwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 26 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 30. Southeast wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.

    High: 30 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 27. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

  • Monday

    Monday: Snow showers, mainly after 1pm. High near 31. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 31 °F

    Scattered
    Snow Showers
    then Snow
    Showers

  • Monday Night

    Monday Night: Snow showers, mainly before 4am, then snow after 4am. Low around 25. Chance of precipitation is 80%.

    Low: 25 °F

    Snow

  • Tuesday

    Tuesday: Snow, mainly before 4pm. Mostly cloudy, with a high near 33.

    High: 33 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

Detailed Forecast

Overnight
Scattered snow showers. Mostly cloudy, with a low around 26. Northeast wind around 5 mph. Chance of precipitation is 50%.
Saturday
Scattered snow showers, mainly before 7am. Partly sunny, with a high near 31. Northeast wind around 5 mph becoming west in the afternoon. Chance of precipitation is 30%.
Saturday Night
Snow, mainly after 10pm. Low around 26. Southwest wind 5 to 15 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 30. Southeast wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 27. Southeast wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%.
Monday
Snow showers, mainly after 1pm. High near 31. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
Snow showers, mainly before 4am, then snow after 4am. Low around 25. Chance of precipitation is 80%.
Tuesday
Snow, mainly before 4pm. Mostly cloudy, with a high near 33.
Tuesday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28.
Wednesday
Snow. Cloudy, with a high near 33.
Wednesday Night
Snow. Cloudy, with a low around 31.
Thursday
Snow. Cloudy, with a high near 34.
Thursday Night
Snow. Cloudy, with a low around 32.
Friday
Snow. Cloudy, with a high near 34.
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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:
4:52 am AKDT Apr 18, 2026
Forecast Valid:
5am AKDT Apr 18, 2026-6pm AKDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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