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

27°F

-3°C

Humidity 66%
Wind Speed SE 8 mph
Barometer 30.14 in (1020.9 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 18 Feb 7:53 am AKST
Extended Forecast for

10 Miles N Alyeska AK

  • Today

    Today: Snow, mainly after 9am. High near 23. South wind 10 to 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 9pm. Low around 12. South wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 7 by 5pm. North wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    High: 16 °F⇓

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -5. Wind chill values as low as -30. Northwest wind around 25 mph becoming southwest after midnight. Winds could gust as high as 55 mph.

    Low: -5 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 1. Northwest wind 25 to 30 mph, with gusts as high as 55 mph.

    High: 1 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -7. North wind 15 to 20 mph, with gusts as high as 45 mph.

    Low: -7 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 10.

    High: 10 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
Snow, mainly after 9am. High near 23. South wind 10 to 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow, mainly before 9pm. Low around 12. South wind 5 to 10 mph becoming north in the evening. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
A slight chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 7 by 5pm. North wind 15 to 25 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around -5. Wind chill values as low as -30. Northwest wind around 25 mph becoming southwest after midnight. Winds could gust as high as 55 mph.
Friday
Sunny, with a high near 1. Northwest wind 25 to 30 mph, with gusts as high as 55 mph.
Friday Night
Mostly clear, with a low around -7. North wind 15 to 20 mph, with gusts as high as 45 mph.
Saturday
Sunny, with a high near 10.
Saturday Night
Mostly clear, with a low around -1.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 26.
Monday Night
A chance of snow. Partly cloudy, with a low around 14.
Tuesday
A chance of snow. Mostly cloudy, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Alyeska AK
 61.1°N 149.16°W (Elev. 4196 ft)
Last Update:
3:47 am AKST Feb 18, 2026
Forecast Valid:
8am AKST Feb 18, 2026-6pm AKST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation