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

29°F

-2°C

Humidity 75%
Wind Speed Vrbl 7 G 22 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Feb 1:53 pm AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • This Afternoon

    This Afternoon: Snow. High near 22. Southeast wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow

  • Tonight

    Tonight: Snow, mainly before 9pm. Low around 12. South wind 5 to 10 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 20 mph. 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. Areas of blowing snow. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 6 by 5pm. Northwest wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 20%.

    High: 16 °F⇓

    Slight Chance
    Snow and
    Areas Blowing
    Snow

  • Thursday Night

    Thursday Night: Areas of blowing snow. Mostly cloudy, with a low around -5. Wind chill values as low as -35. Northwest wind 35 to 45 mph, with gusts as high as 60 mph.

    Low: -5 °F

    Areas Blowing
    Snow

  • Friday

    Friday: Areas of blowing snow. Sunny, with a high near 0. Northwest wind 35 to 40 mph, with gusts as high as 55 mph.

    High: 0 °F

    Areas Blowing
    Snow

  • Friday Night

    Friday Night: Areas of blowing snow before 9pm. Mostly clear, with a low around -7. North wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.

    Low: -7 °F

    Areas Blowing
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 9.

    High: 9 °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 19.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow. High near 22. Southeast wind around 10 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 northwest 10 to 15 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
A slight chance of snow before 9am. Areas of blowing snow. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 6 by 5pm. Northwest wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 20%.
Thursday Night
Areas of blowing snow. Mostly cloudy, with a low around -5. Wind chill values as low as -35. Northwest wind 35 to 45 mph, with gusts as high as 60 mph.
Friday
Areas of blowing snow. Sunny, with a high near 0. Northwest wind 35 to 40 mph, with gusts as high as 55 mph.
Friday Night
Areas of blowing snow before 9pm. Mostly clear, with a low around -7. North wind 25 to 30 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph.
Saturday
Sunny, with a high near 9.
Saturday Night
Mostly clear, with a low around -1.
Sunday
Mostly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Mostly sunny, with a high near 25.
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:
5 Miles NW Alyeska AK
 61.02°N 149.22°W (Elev. 4324 ft)
Last Update:
12:52 pm AKST Feb 18, 2026
Forecast Valid:
2pm AKST Feb 18, 2026-6pm AKST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation