National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Light Snow Fog/Mist

10°F

-12°C

Humidity 87%
Wind Speed Calm
Barometer 29.50 in (999.0 mb)
Dewpoint 7°F (-14°C)
Visibility 2.00 mi
Last update 13 Jan 11:53 am AKST
Extended Forecast for

4 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: A chance of snow. Cloudy, with a high near 20. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 20 °F

    Chance Snow

  • Tonight

    Tonight: A chance of snow, mainly after 3am. Mostly cloudy, with a low around 15. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.

    Low: 15 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly before noon, then scattered snow showers after 3pm. High near 16. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Scattered snow showers before midnight, then snow, mainly after midnight. Low around 12. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 12 °F

    Scattered
    Snow Showers
    then Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 32. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Areas of blowing snow before 9pm. Low around 32. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow. High near 37. Chance of precipitation is 90%.

    High: 37 °F

    Snow

  • Friday Night

    Friday Night: Snow. Cloudy, with a low around 25.

    Low: 25 °F

    Snow

  • Saturday

    Saturday: Snow likely, mainly before 3pm. Cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

Detailed Forecast

This Afternoon
A chance of snow. Cloudy, with a high near 20. East wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
A chance of snow, mainly after 3am. Mostly cloudy, with a low around 15. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%.
Wednesday
Snow, mainly before noon, then scattered snow showers after 3pm. High near 16. Calm wind becoming southeast around 5 mph in the morning. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Scattered snow showers before midnight, then snow, mainly after midnight. Low around 12. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday
Snow. The snow could be heavy at times. Areas of blowing snow after 3pm. High near 32. East wind 15 to 25 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Thursday Night
Snow. The snow could be heavy at times. Areas of blowing snow before 9pm. Low around 32. East wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Friday
Snow. High near 37. Chance of precipitation is 90%.
Friday Night
Snow. Cloudy, with a low around 25.
Saturday
Snow likely, mainly before 3pm. Cloudy, with a high near 31.
Saturday Night
A chance of snow. Cloudy, with a low around 23.
Sunday
A chance of snow. Cloudy, with a high near 29.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
M.L.King Day
A chance of snow. Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Alyeska AK
 61°N 149.22°W (Elev. 2651 ft)
Last Update:
3:20 am AKST Jan 13, 2026
Forecast Valid:
12pm AKST Jan 13, 2026-6pm AKST Jan 19, 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