National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Light Snow Fog/Mist

29°F

-2°C

Humidity 89%
Wind Speed SE 13 G 25 mph
Barometer 29.50 in (999.0 mb)
Dewpoint 26°F (-3°C)
Visibility 1.50 mi
Wind Chill19°F (-7°C)
Last update 6 Mar 12:53 am AKST
Extended Forecast for

Alyeska AK

Winter Weather Advisory until March 6, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 6, 07:00pm

    NOW until 7:00pm Fri

    Winter Weather Advisory

  • Overnight

    Low: 20 °F

    Snow

  • Friday

    Friday: Snow before 3pm, then snow and freezing rain. The snow could be heavy at times. High near 34. East wind 25 to 30 mph increasing to 30 to 35 mph. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Heavy Snow
    then Wintry
    Mix

  • Friday Night

    Friday Night: Snow showers and freezing rain likely before 9pm, then snow showers. Low around 17. Southwest wind 10 to 15 mph becoming light and variable after midnight. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Wintry Mix
    then Snow
    Showers

  • Saturday

    Saturday: Snow showers likely, mainly before 3pm. Mostly cloudy, with a high near 21. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    High: 21 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of snow showers before 9pm, then snow showers likely after midnight. Mostly cloudy, with a low around 7. Calm wind. Chance of precipitation is 60%.

    Low: 7 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers likely before 9am. Mostly cloudy, with a high near 20. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.

    High: 20 °F

    Snow Showers
    Likely then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow between 9am and 3pm. Partly sunny, with a high near 10.

    High: 10 °F

    Chance Snow

Detailed Forecast

Overnight
Snow. Low around 20. East wind 10 to 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of around an inch possible.
Friday
Snow before 3pm, then snow and freezing rain. The snow could be heavy at times. High near 34. East wind 25 to 30 mph increasing to 30 to 35 mph. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow showers and freezing rain likely before 9pm, then snow showers. Low around 17. Southwest wind 10 to 15 mph becoming light and variable after midnight. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow showers likely, mainly before 3pm. Mostly cloudy, with a high near 21. East wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers before 9pm, then snow showers likely after midnight. Mostly cloudy, with a low around 7. Calm wind. Chance of precipitation is 60%.
Sunday
Snow showers likely before 9am. Mostly cloudy, with a high near 20. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
A chance of snow between 9am and 3pm. Partly sunny, with a high near 10.
Monday Night
Partly cloudy, with a low around -6.
Tuesday
Mostly sunny, with a high near 8.
Tuesday Night
Partly cloudy, with a low around -6.
Wednesday
Sunny, with a high near 10.
Wednesday Night
Mostly clear, with a low around -4.
Thursday
Mostly sunny, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
9:05 pm AKST Mar 5, 2026
Forecast Valid:
1am AKST Mar 6, 2026-6pm AKDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation