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

36°F

2°C

Humidity 79%
Wind Speed SE 9 G 25 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 23 Feb 6:53 pm AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • Tonight

    Tonight: Snow. Low around 20. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 10 by 5pm. North wind 15 to 25 mph increasing to 30 to 40 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 27 °F⇓

    Snow Likely
    then Chance
    Snow and
    Areas Blowing
    Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow between midnight and 3am. Areas of blowing snow. Partly cloudy, with a low around -8. Wind chill values as low as -30. North wind 30 to 35 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 20%.

    Low: -8 °F

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Wednesday

    Wednesday: Areas of blowing snow. Mostly sunny, with a high near -2. Wind chill values as low as -40. North wind 30 to 35 mph.

    High: -2 °F

    Areas Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow. Partly cloudy, with a low around -20. Northwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight.

    Low: -20 °F

    Areas Blowing
    Snow

  • Thursday

    Thursday: Sunny, with a high near -6. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: -6 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -16.

    Low: -16 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 2.

    High: 2 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -7.

    Low: -7 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Low around 20. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 2 inches possible.
Tuesday
Snow likely, mainly before noon. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 10 by 5pm. North wind 15 to 25 mph increasing to 30 to 40 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A slight chance of snow between midnight and 3am. Areas of blowing snow. Partly cloudy, with a low around -8. Wind chill values as low as -30. North wind 30 to 35 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 20%.
Wednesday
Areas of blowing snow. Mostly sunny, with a high near -2. Wind chill values as low as -40. North wind 30 to 35 mph.
Wednesday Night
Areas of blowing snow. Partly cloudy, with a low around -20. Northwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight.
Thursday
Sunny, with a high near -6. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around -16.
Friday
Mostly sunny, with a high near 2.
Friday Night
Partly cloudy, with a low around -7.
Saturday
Partly sunny, with a high near 10.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Mostly sunny, with a high near 15.
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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:
3:44 pm AKST Feb 23, 2026
Forecast Valid:
7pm AKST Feb 23, 2026-6pm AKST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation