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 SE 8 G 17 mph
Barometer 30.11 in (1019.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Feb 3:53 pm AKST
Extended Forecast for

10 Miles NE Alyeska AK

  • This Afternoon

    This Afternoon: Snow. High near 18. Southwest wind around 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 18 °F

    Snow

  • Tonight

    Tonight: Snow likely before 9pm. Mostly cloudy, with a low around 5. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Snow Likely
    then Mostly
    Cloudy

  • Thursday

    Thursday: Widespread blowing snow, mainly after 3pm. Mostly sunny, with a temperature falling to around -3 by 5pm. Wind chill values as low as -35. Northwest wind 30 to 40 mph increasing to 40 to 50 mph in the afternoon.

    High: 10 °F⇓

    Blowing Snow

  • Thursday Night

    Thursday Night: Widespread blowing snow, mainly before 9pm. Mostly clear, with a low around -8. Wind chill values as low as -40. North wind 40 to 45 mph decreasing to 30 to 35 mph.

    Low: -8 °F

    Blowing Snow

  • Friday

    Friday: Areas of blowing snow. Sunny, with a high near 5. North wind 45 to 50 mph.

    High: 5 °F

    Areas Blowing
    Snow

  • Friday Night

    Friday Night: Areas of blowing snow before 9pm. Clear, with a low around -12. North wind 30 to 40 mph, with gusts as high as 45 mph.

    Low: -12 °F

    Areas Blowing
    Snow then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 4.

    High: 4 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -5.

    Low: -5 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 16.

    High: 16 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Snow. High near 18. Southwest wind around 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely before 9pm. Mostly cloudy, with a low around 5. West wind 10 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Widespread blowing snow, mainly after 3pm. Mostly sunny, with a temperature falling to around -3 by 5pm. Wind chill values as low as -35. Northwest wind 30 to 40 mph increasing to 40 to 50 mph in the afternoon.
Thursday Night
Widespread blowing snow, mainly before 9pm. Mostly clear, with a low around -8. Wind chill values as low as -40. North wind 40 to 45 mph decreasing to 30 to 35 mph.
Friday
Areas of blowing snow. Sunny, with a high near 5. North wind 45 to 50 mph.
Friday Night
Areas of blowing snow before 9pm. Clear, with a low around -12. North wind 30 to 40 mph, with gusts as high as 45 mph.
Saturday
Sunny, with a high near 4.
Saturday Night
Mostly clear, with a low around -5.
Sunday
Mostly sunny, with a high near 16.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 20.
Monday Night
A chance of snow. Partly cloudy, with a low around 9.
Tuesday
A chance of snow. Mostly cloudy, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NE Alyeska AK
 61.08°N 148.94°W (Elev. 6198 ft)
Last Update:
3:27 pm AKST Feb 18, 2026
Forecast Valid:
4pm AKST Feb 18, 2026-6pm AKST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation