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.

Overcast

16°F

-9°C

Humidity 56%
Wind Speed NW 9 G 20 mph
Barometer NA
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 17 Mar 1:53 pm AKDT
Extended Forecast for

4 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: A chance of snow, mainly before 4pm. Mostly cloudy, with a high near 9. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 9 °F

    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around -4. North wind around 5 mph.

    Low: -4 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 7. North wind around 5 mph becoming west in the afternoon.

    High: 7 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow between 1am and 4am. Mostly cloudy, with a low around -3. Northwest wind around 5 mph. Chance of precipitation is 30%.

    Low: -3 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: A chance of snow after 10am. Mostly cloudy, with a high near 10. Northwest wind around 5 mph. Chance of precipitation is 50%.

    High: 10 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 6. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%.

    Low: 6 °F

    Chance Snow

  • Friday

    Friday: Snow. High near 17. Chance of precipitation is 90%.

    High: 17 °F

    Snow

  • Friday Night

    Friday Night: A chance of snow. Mostly cloudy, with a low around 6.

    Low: 6 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow. Partly sunny, with a high near 22.

    High: 22 °F

    Chance Snow

Detailed Forecast

This Afternoon
A chance of snow, mainly before 4pm. Mostly cloudy, with a high near 9. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around -4. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 7. North wind around 5 mph becoming west in the afternoon.
Wednesday Night
A chance of snow between 1am and 4am. Mostly cloudy, with a low around -3. Northwest wind around 5 mph. Chance of precipitation is 30%.
Thursday
A chance of snow after 10am. Mostly cloudy, with a high near 10. Northwest wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 6. West wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%.
Friday
Snow. High near 17. Chance of precipitation is 90%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 6.
Saturday
A chance of snow. Partly sunny, with a high near 22.
Saturday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 22.
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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:
9:39 am AKDT Mar 17, 2026
Forecast Valid:
2pm AKDT Mar 17, 2026-6pm AKDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation