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 70%
Wind Speed SE 7 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 23 Feb 7:53 pm AKST
Extended Forecast for

4 Miles NNW Alyeska AK

  • Tonight

    Tonight: Snow. Steady temperature around 28. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 28 °F

    Snow

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 11 by 5pm. North wind 15 to 20 mph increasing to 25 to 30 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 Slight
    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 -7. North wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    Low: -7 °F

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Wednesday

    Wednesday: Areas of blowing snow. Mostly sunny, with a high near -1. Wind chill values as low as -40. North wind around 25 mph, with gusts as high as 45 mph.

    High: -1 °F

    Areas Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow before 3am. Partly cloudy, with a low around -21. North wind 25 to 30 mph decreasing to 15 to 20 mph after midnight.

    Low: -21 °F

    Areas Blowing
    Snow

  • Thursday

    Thursday: Sunny, with a high near -6. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: -6 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 1.

    High: 1 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around -10.

    Low: -10 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow. Steady temperature around 28. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Tuesday
Snow likely, mainly before noon. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 11 by 5pm. North wind 15 to 20 mph increasing to 25 to 30 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 -7. North wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Wednesday
Areas of blowing snow. Mostly sunny, with a high near -1. Wind chill values as low as -40. North wind around 25 mph, with gusts as high as 45 mph.
Wednesday Night
Areas of blowing snow before 3am. Partly cloudy, with a low around -21. North wind 25 to 30 mph decreasing to 15 to 20 mph after midnight.
Thursday
Sunny, with a high near -6. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around -14.
Friday
Mostly sunny, with a high near 1.
Friday Night
Partly cloudy, with a low around -10.
Saturday
Mostly sunny, with a high near 4.
Saturday Night
Partly cloudy, with a low around -6.
Sunday
Partly sunny, with a high near 10.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Partly sunny, with a high near 12.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alyeska AK
 61.02°N 149.17°W (Elev. 3599 ft)
Last Update:
7:07 pm AKST Feb 23, 2026
Forecast Valid:
8pm AKST Feb 23, 2026-6pm AKST Mar 2, 2026
 
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Additional Resources

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Chance of Precipitation