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.

Mostly Cloudy

31°F

-1°C

Humidity 96%
Wind Speed Calm
Barometer 29.75 in (1007.4 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 3:53 am AKDT
Extended Forecast for

13 Miles NNE Alyeska AK

  • Overnight

    Overnight: Scattered snow showers. Mostly cloudy, with a low around 21. West wind around 30 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 25. South wind 15 to 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Scattered snow showers. Mostly cloudy, with a low around 20. West wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Scattered
    Snow Showers

  • Tuesday

    Tuesday: Scattered snow showers. Partly sunny, with a high near 29. West wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 29 °F

    Scattered
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 21. South wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 21 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow. High near 27. Southeast wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%.

    High: 27 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 28. Chance of precipitation is 100%.

    Low: 28 °F

    Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 29.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Cloudy, with a low around 27.

    Low: 27 °F

    Snow

Detailed Forecast

Overnight
Scattered snow showers. Mostly cloudy, with a low around 21. West wind around 30 mph. Chance of precipitation is 50%.
Monday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 25. South wind 15 to 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Scattered snow showers. Mostly cloudy, with a low around 20. West wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday
Scattered snow showers. Partly sunny, with a high near 29. West wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 21. South wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
Snow. High near 27. Southeast wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 28. Chance of precipitation is 100%.
Thursday
Snow. Cloudy, with a high near 29.
Thursday Night
Snow. Cloudy, with a low around 27.
Friday
Snow. Cloudy, with a high near 30.
Friday Night
Snow. Cloudy, with a low around 27.
Saturday
Snow. Cloudy, with a high near 31.
Saturday Night
Snow. Mostly cloudy, with a low around 26.
Sunday
Snow. Mostly cloudy, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 148.88°W (Elev. 5052 ft)
Last Update:
8:43 pm AKDT Apr 19, 2026
Forecast Valid:
4am AKDT Apr 20, 2026-6pm AKDT Apr 26, 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