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.

Fair

0°F

-18°C

Humidity 62%
Wind Speed W 14 G 25 mph
Barometer 29.46 in (998.0 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-19°F (-28°C)
Last update 7 Jan 3:53 pm AKST
Extended Forecast for

4 Miles NNW 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 high near -11. Wind chill values as low as -35. North wind around 15 mph, with gusts as high as 25 mph.

    High: -11 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -11. Wind chill values as low as -35. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: -11 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 3. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 3 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of snow after midnight. Mostly cloudy, with a low around 0. Southeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.

    Low: 0 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Snow. High near 22. East wind around 10 mph. Chance of precipitation is 90%.

    High: 22 °F

    Snow

  • Friday Night

    Friday Night: Snow. Low around 22. East wind 10 to 15 mph. Chance of precipitation is 100%.

    Low: 22 °F

    Snow

  • Saturday

    Saturday: Snow. High near 28. Chance of precipitation is 100%.

    High: 28 °F

    Snow

  • Saturday Night

    Saturday Night: Snow. Cloudy, with a low around 15.

    Low: 15 °F

    Snow

  • Sunday

    Sunday: Snow. Cloudy, with a high near 19.

    High: 19 °F

    Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near -11. Wind chill values as low as -35. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around -11. Wind chill values as low as -35. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 3. Light and variable wind becoming east 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A chance of snow after midnight. Mostly cloudy, with a low around 0. Southeast wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Friday
Snow. High near 22. East wind around 10 mph. Chance of precipitation is 90%.
Friday Night
Snow. Low around 22. East wind 10 to 15 mph. Chance of precipitation is 100%.
Saturday
Snow. High near 28. Chance of precipitation is 100%.
Saturday Night
Snow. Cloudy, with a low around 15.
Sunday
Snow. Cloudy, with a high near 19.
Sunday Night
Snow. Cloudy, with a low around 14.
Monday
Snow. Cloudy, with a high near 21.
Monday Night
Snow. Cloudy, with a low around 14.
Tuesday
Snow. Cloudy, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
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:
3:46 pm AKST Jan 7, 2026
Forecast Valid:
4pm AKST Jan 7, 2026-6pm AKST Jan 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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