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

24°F

-4°C

Humidity 57%
Wind Speed E 6 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 23 Feb 12:53 pm AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 34. Northwest wind 5 to 10 mph.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 20. West wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    then Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 9am. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 13 by 5pm. West wind 15 to 25 mph becoming north 30 to 40 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 27 °F⇓

    Snow Likely
    then Chance
    Snow and
    Areas Blowing
    Snow

  • Tuesday Night

    Tuesday Night: Areas of blowing snow. Mostly cloudy, with a low around -8. Wind chill values as low as -30. Northwest wind 30 to 35 mph, with gusts as high as 45 mph.

    Low: -8 °F

    Areas Blowing
    Snow

  • Wednesday

    Wednesday: Areas of blowing snow. Partly sunny, with a high near -2. Northwest wind around 35 mph, with gusts as high as 55 mph.

    High: -2 °F

    Areas Blowing
    Snow

  • Wednesday Night

    Wednesday Night: Areas of blowing snow before 9pm. Mostly cloudy, with a low around -18. Northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 50 mph.

    Low: -18 °F

    Areas Blowing
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near -6.

    High: -6 °F

    Mostly 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

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 34. Northwest wind 5 to 10 mph.
Tonight
Snow, mainly after 3am. Low around 20. West wind 5 to 10 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday
Snow likely, mainly before 9am. Areas of blowing snow after noon. Mostly cloudy, with a temperature falling to around 13 by 5pm. West wind 15 to 25 mph becoming north 30 to 40 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
Areas of blowing snow. Mostly cloudy, with a low around -8. Wind chill values as low as -30. Northwest wind 30 to 35 mph, with gusts as high as 45 mph.
Wednesday
Areas of blowing snow. Partly sunny, with a high near -2. Northwest wind around 35 mph, with gusts as high as 55 mph.
Wednesday Night
Areas of blowing snow before 9pm. Mostly cloudy, with a low around -18. Northwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 50 mph.
Thursday
Mostly sunny, with a high near -6.
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.
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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:
5:27 am AKST Feb 23, 2026
Forecast Valid:
1pm AKST Feb 23, 2026-6pm AKST Mar 1, 2026
 
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Additional Resources

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Chance of Precipitation