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

41°F

5°C

Humidity 62%
Wind Speed Vrbl 7 mph
Barometer 29.82 in (1009.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 18 Apr 8:53 pm AKDT
Extended Forecast for

4 Miles NNW Alyeska AK

  • Tonight

    Tonight: Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow. High near 30. Southeast wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 9 inches possible.

    High: 30 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 7pm, then scattered snow showers after 1am. Mostly cloudy, with a low around 26. Southeast wind 5 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Monday

    Monday: Snow showers likely, mainly after 10am. Increasing clouds, with a high near 31. West wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 70%.

    High: 31 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers, mainly before 1am, then snow likely after 1am. Low around 25. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 25 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow likely before 10am, then a chance of snow after 4pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph becoming south in the morning. Chance of precipitation is 60%.

    High: 33 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 33.

    High: 33 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Cloudy, with a low around 31.

    Low: 31 °F

    Snow

Detailed Forecast

Tonight
Snow likely, mainly after 1am. Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 3 inches possible.
Sunday
Snow. High near 30. Southeast wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 9 inches possible.
Sunday Night
Snow likely, mainly before 7pm, then scattered snow showers after 1am. Mostly cloudy, with a low around 26. Southeast wind 5 to 15 mph becoming southwest after midnight. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow showers likely, mainly after 10am. Increasing clouds, with a high near 31. West wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 70%.
Monday Night
Snow showers, mainly before 1am, then snow likely after 1am. Low around 25. Southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Tuesday
Snow likely before 10am, then a chance of snow after 4pm. Mostly cloudy, with a high near 33. Northeast wind around 5 mph becoming south in the morning. Chance of precipitation is 60%.
Tuesday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
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.
Friday Night
Snow. Cloudy, with a low around 31.
Saturday
Snow. Cloudy, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alyeska AK
 61.02°N 149.17°W (Elev. 3599 ft)
Last Update:
3:27 pm AKDT Apr 18, 2026
Forecast Valid:
9pm AKDT Apr 18, 2026-6pm AKDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation