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.

Heavy Snow

10°F

-12°C

Humidity 80%
Wind Speed Vrbl 5 mph
Barometer 29.47 in (998.0 mb)
Dewpoint 5°F (-15°C)
Visibility 0.25 mi
Wind Chill1°F (-17°C)
Last update 19 Mar 12:53 pm AKDT
Extended Forecast for

7 Miles NNE Alyeska AK

Winter Weather Advisory until March 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 20, 04:00am

    NOW until 4:00am Fri

    Winter Weather Advisory

  • This Afternoon

    High: 6 °F

    Snow Showers

  • Tonight

    Tonight: Snow showers. Low around 0. East wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 0 °F

    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly before 4pm. Partly sunny, with a high near 10. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 10 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: A chance of snow showers before 10pm. Partly cloudy, with a low around 4. Northeast wind 5 to 15 mph. Chance of precipitation is 30%.

    Low: 4 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 15. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 15 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 4. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow showers. High near 6. East wind around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers. Low around 0. East wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow showers likely, mainly before 4pm. Partly sunny, with a high near 10. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
A chance of snow showers before 10pm. Partly cloudy, with a low around 4. Northeast wind 5 to 15 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 15. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 4. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Mostly sunny, with a high near 17.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 16.
Tuesday Night
Mostly clear, with a low around -1.
Wednesday
Sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Alyeska AK
 61.05°N 149.05°W (Elev. 5823 ft)
Last Update:
4:02 am AKDT Mar 19, 2026
Forecast Valid:
1pm AKDT Mar 19, 2026-6pm AKDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation