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 (1007.3 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 2:53 am AKDT
Extended Forecast for

5 Miles NW Alyeska AK

  • Overnight

    Overnight: Scattered snow showers. Mostly cloudy, with a low around 25. Southwest wind around 15 mph. Chance of precipitation is 50%.

    Low: 25 °F

    Scattered
    Snow Showers

  • Monday

    Monday: Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 29. Southwest wind 10 to 15 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Scattered snow showers, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 25. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Scattered
    Snow Showers

  • Tuesday

    Tuesday: Scattered snow showers. Partly sunny, with a high near 32. Southwest wind around 5 mph. Chance of precipitation is 40%.

    High: 32 °F

    Scattered
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly between 1am and 4am, then snow likely after 4am. Cloudy, with a low around 28. South wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 28 °F

    Snow Showers
    Likely

  • Wednesday

    Wednesday: Snow. High near 30. Southeast wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%.

    High: 30 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Low around 30. Chance of precipitation is 100%.

    Low: 30 °F

    Snow

  • Thursday

    Thursday: Snow. Cloudy, with a high near 34.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Cloudy, with a low around 30.

    Low: 30 °F

    Snow

Detailed Forecast

Overnight
Scattered snow showers. Mostly cloudy, with a low around 25. Southwest wind around 15 mph. Chance of precipitation is 50%.
Monday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 29. Southwest wind 10 to 15 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Scattered snow showers, mainly after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 25. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tuesday
Scattered snow showers. Partly sunny, with a high near 32. Southwest wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
Snow showers likely, mainly between 1am and 4am, then snow likely after 4am. Cloudy, with a low around 28. South wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
Snow. High near 30. Southeast wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 90%.
Wednesday Night
Snow. Low around 30. Chance of precipitation is 100%.
Thursday
Snow. Cloudy, with a high near 34.
Thursday Night
Snow. Cloudy, with a low around 30.
Friday
Snow. Cloudy, with a high near 34.
Friday Night
Snow. Cloudy, with a low around 31.
Saturday
Snow. Cloudy, with a high near 34.
Saturday Night
Snow. Mostly cloudy, with a low around 30.
Sunday
Snow. Mostly cloudy, with a high near 33.
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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:
8:43 pm AKDT Apr 19, 2026
Forecast Valid:
3am AKDT Apr 20, 2026-6pm AKDT Apr 26, 2026
 
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