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.

Partly Cloudy

1°F

-17°C

Humidity 65%
Wind Speed W 14 G 28 mph
Barometer 29.41 in (996.2 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-18°F (-28°C)
Last update 7 Jan 1:53 pm AKST
Extended Forecast for

5 Miles N Alyeska AK

Cold Weather Advisory January 7, 05:00pm until January 8, 04:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around -13. Wind chill values as low as -35. North wind around 15 mph, with gusts as high as 20 mph.

    High: -13 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -16. Wind chill values as low as -35. North wind 5 to 10 mph becoming light after midnight.

    Low: -16 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near -2. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: -2 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of snow after midnight. Mostly cloudy, with a low around -6. East wind 10 to 15 mph. Chance of precipitation is 50%.

    Low: -6 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow. High near 25. Northeast wind around 10 mph. Chance of precipitation is 90%.

    High: 25 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 24. East wind around 10 mph. Chance of precipitation is 100%.

    Low: 24 °F

    Snow

  • Saturday

    Saturday: Snow before 9am. High near 30. Chance of precipitation is 100%.

    High: 30 °F

    Snow then
    Cloudy

  • Saturday Night

    Saturday Night: Snow after 9pm. Cloudy, with a low around 18.

    Low: 18 °F

    Snow

  • Sunday

    Sunday: Snow. Cloudy, with a high near 23.

    High: 23 °F

    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around -13. Wind chill values as low as -35. North wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around -16. Wind chill values as low as -35. North wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny, with a high near -2. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Thursday Night
A chance of snow after midnight. Mostly cloudy, with a low around -6. East wind 10 to 15 mph. Chance of precipitation is 50%.
Friday
Snow. High near 25. Northeast wind around 10 mph. Chance of precipitation is 90%.
Friday Night
Snow. Low around 24. East wind around 10 mph. Chance of precipitation is 100%.
Saturday
Snow before 9am. High near 30. Chance of precipitation is 100%.
Saturday Night
Snow after 9pm. Cloudy, with a low around 18.
Sunday
Snow. Cloudy, with a high near 23.
Sunday Night
Snow. Cloudy, with a low around 18.
Monday
Snow. Cloudy, with a high near 24.
Monday Night
Snow. Cloudy, with a low around 18.
Tuesday
Snow. Cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Alyeska AK
 61.02°N 149.11°W (Elev. 2215 ft)
Last Update:
12:43 pm AKST Jan 7, 2026
Forecast Valid:
2pm AKST Jan 7, 2026-6pm AKST Jan 13, 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