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

18°F

-8°C

Humidity 81%
Wind Speed SE 12 G 24 mph
Barometer 29.21 in (989.5 mb)
Dewpoint 13°F (-11°C)
Visibility 2.50 mi
Wind Chill5°F (-15°C)
Last update 4 Jan 8:53 pm AKST
Extended Forecast for

4 Miles NNW Alyeska AK

Winter Weather Advisory until January 5, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until January 5, 12:00pm

    NOW until 12:00pm Mon

    Winter Weather Advisory

  • Tonight

    Low: 3 °F⇑

    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow, mainly after noon. High near 19. East wind 20 to 30 mph decreasing to 5 to 15 mph. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 19 °F

    Chance Snow
    then Snow

  • Monday Night

    Monday Night: Snow. Low around 15. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 15 °F

    Snow

  • Tuesday

    Tuesday: Snow. High near 21. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 21 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around -5. Northwest wind around 5 mph. Chance of precipitation is 80%.

    Low: -5 °F

    Snow

  • Wednesday

    Wednesday: A chance of snow before 3pm. Mostly cloudy, with a high near 2. Northwest wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 2 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -11.

    Low: -11 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 0.

    High: 0 °F

    Partly Sunny

Detailed Forecast

Tonight
Snow. Areas of blowing snow. Temperature rising to around 10 by 5am. East wind 30 to 40 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Monday
Snow, mainly after noon. High near 19. East wind 20 to 30 mph decreasing to 5 to 15 mph. Winds could gust as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday Night
Snow. Low around 15. Southeast wind 5 to 15 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Snow. High near 21. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Snow. Low around -5. Northwest wind around 5 mph. Chance of precipitation is 80%.
Wednesday
A chance of snow before 3pm. Mostly cloudy, with a high near 2. Northwest wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around -11.
Thursday
Partly sunny, with a high near 0.
Thursday Night
A chance of snow after 3am. Mostly cloudy, with a low around -6.
Friday
A chance of snow. Mostly cloudy, with a high near 8.
Friday Night
A chance of snow. Mostly cloudy, with a low around 0.
Saturday
A chance of snow. Mostly cloudy, with a high near 9.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Mostly cloudy, with a high near 15.
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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:
9:06 pm AKST Jan 4, 2026
Forecast Valid:
9pm AKST Jan 4, 2026-6pm AKST Jan 11, 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