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

13°F

-11°C

Humidity 88%
Wind Speed W 3 mph
Barometer 29.60 in (1002.5 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 16 Nov 6:53 am AKST
Extended Forecast for

4 Miles ESE Alyeska AK

  • Today

    Today: A chance of snow after 3pm. Increasing clouds, with a high near 23. Northwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 50%.

    High: 23 °F

    Sunny then
    Chance Snow

  • Tonight

    Tonight: Snow. Areas of blowing snow after 3am. Temperature rising to around 27 by 5am. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F⇑

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow before noon. High near 29. East wind 20 to 30 mph becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A chance of snow before 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 22 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow showers likely, mainly between noon and 3pm. Partly sunny, with a high near 23. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 23 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered snow showers. Mostly cloudy, with a low around 21. East wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 21 °F

    Scattered
    Snow Showers

  • Wednesday

    Wednesday: Scattered snow showers before 9am, then a chance of snow after 9am. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.

    High: 26 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 3am. Cloudy, with a low around 24.

    Low: 24 °F

    Snow Likely

  • Thursday

    Thursday: Snow. Cloudy, with a high near 28.

    High: 28 °F

    Snow

Detailed Forecast

Today
A chance of snow after 3pm. Increasing clouds, with a high near 23. Northwest wind 5 to 10 mph becoming east in the afternoon. Chance of precipitation is 50%.
Tonight
Snow. Areas of blowing snow after 3am. Temperature rising to around 27 by 5am. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow before noon. High near 29. East wind 20 to 30 mph becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Monday Night
A chance of snow before 3am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 22. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday
Snow showers likely, mainly between noon and 3pm. Partly sunny, with a high near 23. East wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
Scattered snow showers. Mostly cloudy, with a low around 21. East wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
Scattered snow showers before 9am, then a chance of snow after 9am. Mostly cloudy, with a high near 26. Chance of precipitation is 50%.
Wednesday Night
Snow likely, mainly after 3am. Cloudy, with a low around 24.
Thursday
Snow. Cloudy, with a high near 28.
Thursday Night
Snow. Cloudy, with a low around 24.
Friday
Snow. Cloudy, with a high near 27.
Friday Night
Snow likely. Cloudy, with a low around 21.
Saturday
Snow likely. Cloudy, with a high near 23.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Alyeska AK
 60.94°N 149°W (Elev. 3123 ft)
Last Update:
3:25 am AKST Nov 16, 2025
Forecast Valid:
7am AKST Nov 16, 2025-6pm AKST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation