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

13°F

-11°C

Humidity 84%
Wind Speed Calm
Barometer 29.69 in (1005.6 mb)
Dewpoint 9°F (-13°C)
Visibility 1.50 mi
Last update 5 Mar 6:53 am AKST
Extended Forecast for

13 Miles NNE Alyeska AK

Winter Weather Advisory March 5, 11:00pm until March 6, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A slight chance of snow showers before 9am, then snow likely, mainly between 9am and 3pm. Mostly cloudy, with a high near 13. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 13 °F

    Snow Likely

  • Tonight

    Tonight: Snow, mainly after midnight. The snow could be heavy at times. Areas of blowing snow after midnight. Temperature rising to around 19 by 5am. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 7 inches possible.

    Low: 12 °F⇑

    Chance Snow
    then Heavy
    Snow and
    Areas Blowing
    Snow

  • Friday

    Friday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 3pm. High near 22. East wind 50 to 60 mph decreasing to 35 to 45 mph. Winds could gust as high as 90 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.

    High: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: Snow likely before 9pm, then snow showers after 9pm. Areas of blowing snow before 9pm. Low around 7. Southeast wind 20 to 25 mph becoming south 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    Low: 7 °F

    Snow Showers
    and Areas
    Blowing Snow

  • Saturday

    Saturday: Snow showers likely, mainly before 3pm. Areas of blowing snow between noon and 3pm. Mostly cloudy, with a high near 14. Southeast wind 30 to 35 mph becoming light and variable in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 70%.

    High: 14 °F

    Snow Showers
    Likely and
    Areas Blowing
    Snow

  • Saturday Night

    Saturday Night: A chance of snow showers before 9pm, then snow showers likely after midnight. Mostly cloudy, with a low around 0. Calm wind becoming northwest around 5 mph in the evening. Chance of precipitation is 60%.

    Low: 0 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers likely before 9am, then a chance of snow after 9am. Mostly cloudy, with a high near 10. Chance of precipitation is 60%.

    High: 10 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow before 3am. Mostly cloudy, with a low around -6.

    Low: -6 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 6.

    High: 6 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers before 9am, then snow likely, mainly between 9am and 3pm. Mostly cloudy, with a high near 13. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly after midnight. The snow could be heavy at times. Areas of blowing snow after midnight. Temperature rising to around 19 by 5am. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 7 inches possible.
Friday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly before 3pm. High near 22. East wind 50 to 60 mph decreasing to 35 to 45 mph. Winds could gust as high as 90 mph. Chance of precipitation is 100%. New snow accumulation of 16 to 22 inches possible.
Friday Night
Snow likely before 9pm, then snow showers after 9pm. Areas of blowing snow before 9pm. Low around 7. Southeast wind 20 to 25 mph becoming south 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Saturday
Snow showers likely, mainly before 3pm. Areas of blowing snow between noon and 3pm. Mostly cloudy, with a high near 14. Southeast wind 30 to 35 mph becoming light and variable in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 70%.
Saturday Night
A chance of snow showers before 9pm, then snow showers likely after midnight. Mostly cloudy, with a low around 0. Calm wind becoming northwest around 5 mph in the evening. Chance of precipitation is 60%.
Sunday
Snow showers likely before 9am, then a chance of snow after 9am. Mostly cloudy, with a high near 10. Chance of precipitation is 60%.
Sunday Night
A chance of snow before 3am. Mostly cloudy, with a low around -6.
Monday
Partly sunny, with a high near 6.
Monday Night
Mostly cloudy, with a low around -8.
Tuesday
Mostly sunny, with a high near 5.
Tuesday Night
Partly cloudy, with a low around -9.
Wednesday
Mostly sunny, with a high near 7.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNE Alyeska AK
 61.13°N 148.94°W (Elev. 5630 ft)
Last Update:
5:16 am AKST Mar 5, 2026
Forecast Valid:
7am AKST Mar 5, 2026-6pm AKDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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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