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

28°F

-2°C

Humidity 85%
Wind Speed E 6 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Feb 8:53 pm AKST
Extended Forecast for

5 Miles NW Alyeska AK

  • Tonight

    Tonight: A slight chance of snow. Mostly cloudy, with a low around 12. West wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Areas of blowing snow. Mostly sunny, with a temperature falling to around 3 by 5pm. North wind 20 to 30 mph increasing to 35 to 45 mph in the afternoon.

    High: 16 °F⇓

    Areas Blowing
    Snow

  • Thursday Night

    Thursday Night: Areas of blowing snow. Mostly clear, with a low around -5. Wind chill values as low as -35. North wind 35 to 45 mph.

    Low: -5 °F

    Areas Blowing
    Snow

  • Friday

    Friday: Areas of blowing snow. Sunny, with a high near 5. Wind chill values as low as -35. North wind 30 to 40 mph, with gusts as high as 45 mph.

    High: 5 °F

    Areas Blowing
    Snow

  • Friday Night

    Friday Night: Areas of blowing snow before 9pm. Clear, with a low around -7. North wind 30 to 35 mph decreasing to 20 to 25 mph after midnight.

    Low: -7 °F

    Areas Blowing
    Snow then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 6. North wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 6 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow. Mostly cloudy, with a low around 12. West wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Chance of precipitation is 20%.
Thursday
Areas of blowing snow. Mostly sunny, with a temperature falling to around 3 by 5pm. North wind 20 to 30 mph increasing to 35 to 45 mph in the afternoon.
Thursday Night
Areas of blowing snow. Mostly clear, with a low around -5. Wind chill values as low as -35. North wind 35 to 45 mph.
Friday
Areas of blowing snow. Sunny, with a high near 5. Wind chill values as low as -35. North wind 30 to 40 mph, with gusts as high as 45 mph.
Friday Night
Areas of blowing snow before 9pm. Clear, with a low around -7. North wind 30 to 35 mph decreasing to 20 to 25 mph after midnight.
Saturday
Sunny, with a high near 6. North wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 0.
Sunday
Mostly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 29.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17.
Tuesday
A chance of snow. Mostly cloudy, with a high near 25.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 11.
Wednesday
A chance of snow. Mostly cloudy, with a high near 18.
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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:
8:09 pm AKST Feb 18, 2026
Forecast Valid:
9pm AKST Feb 18, 2026-6pm AKST Feb 25, 2026
 
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Additional Resources

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