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.

Overcast

13°F

-11°C

Humidity 81%
Wind Speed W 7 mph
Barometer 29.30 in (992.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 12 Jan 2:53 am AKST
Extended Forecast for

6 Miles NNW Alyeska AK

  • Overnight

    Overnight: Mostly cloudy, with a low around 8. South wind around 5 mph.

    Low: 8 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow after 3pm. Partly sunny, with a high near 12. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 12 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a temperature rising to around 17 by 5am. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 9 °F⇑

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 9am. Mostly cloudy, with a high near 19. Southeast wind 15 to 20 mph. Chance of precipitation is 60%.

    High: 19 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 3am. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 70%.

    Low: 15 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, mainly before 3pm. High near 16. South wind 5 to 15 mph. Chance of precipitation is 80%.

    High: 16 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 50%.

    Low: 6 °F

    Chance Snow

  • Thursday

    Thursday: Snow, mainly after 9am. Cloudy, with a high near 29.

    High: 29 °F

    Snow

  • Thursday Night

    Thursday Night: Snow. Cloudy, with a low around 24.

    Low: 24 °F

    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 8. South wind around 5 mph.
Monday
A slight chance of snow after 3pm. Partly sunny, with a high near 12. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of snow. Mostly cloudy, with a temperature rising to around 17 by 5am. Southeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday
Snow likely, mainly before 9am. Mostly cloudy, with a high near 19. Southeast wind 15 to 20 mph. Chance of precipitation is 60%.
Tuesday Night
Snow likely, mainly after 3am. Mostly cloudy, with a low around 15. North wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Wednesday
Snow, mainly before 3pm. High near 16. South wind 5 to 15 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 50%.
Thursday
Snow, mainly after 9am. Cloudy, with a high near 29.
Thursday Night
Snow. Cloudy, with a low around 24.
Friday
Snow. Cloudy, with a high near 31.
Friday Night
Snow. Mostly cloudy, with a low around 14.
Saturday
A chance of snow. Mostly cloudy, with a high near 22.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14.
Sunday
A chance of snow. Cloudy, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
3:07 am AKST Jan 12, 2026
Forecast Valid:
3am AKST Jan 12, 2026-6pm AKST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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