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

11°F

-12°C

Humidity 77%
Wind Speed W 12 G 23 mph
Barometer 29.35 in (993.9 mb)
Dewpoint 5°F (-15°C)
Visibility 5.00 mi
Wind Chill-4°F (-20°C)
Last update 19 Mar 3:53 am AKDT
Extended Forecast for

4 Miles NNW Alyeska AK

Winter Weather Advisory March 19, 10:00am until March 20, 04:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Snow showers likely. Mostly cloudy, with a low around -1. Northwest wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

    Low: -1 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers likely. Mostly cloudy, with a high near 9. North wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Snow showers, mainly before 4am. Low around 4. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 4 °F

    Snow Showers

  • Friday

    Friday: Snow showers, mainly after 4pm. High near 15. Southeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 15 °F

    Snow Showers

  • Friday Night

    Friday Night: Snow showers, mainly before 7pm. Low around 6. South wind around 5 mph becoming north in the evening. Chance of precipitation is 80%.

    Low: 6 °F

    Snow Showers
    then Mostly
    Cloudy

  • Saturday

    Saturday: A chance of snow after 4pm. Partly sunny, with a high near 22. Northeast wind around 10 mph. Chance of precipitation is 30%.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A chance of snow before 10pm. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 23.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers likely. Mostly cloudy, with a low around -1. Northwest wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Thursday
Snow showers likely. Mostly cloudy, with a high near 9. North wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow showers, mainly before 4am. Low around 4. Calm wind becoming east around 5 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers, mainly after 4pm. High near 15. Southeast wind around 5 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
Snow showers, mainly before 7pm. Low around 6. South wind around 5 mph becoming north in the evening. Chance of precipitation is 80%.
Saturday
A chance of snow after 4pm. Partly sunny, with a high near 22. Northeast wind around 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 20.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 3.
Wednesday
Sunny, with a high near 20.
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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:
9:56 pm AKDT Mar 18, 2026
Forecast Valid:
4am AKDT Mar 19, 2026-6pm AKDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation