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

24°F

-4°C

Humidity 81%
Wind Speed W 8 G 18 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 19 Feb 2:53 am AKST
Extended Forecast for

6 Miles NNW Alyeska AK

  • Overnight

    Overnight: A slight chance of snow. Mostly cloudy, with a steady temperature around 15. North wind around 15 mph. Chance of precipitation is 20%.

    Low: 15 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Areas of blowing snow after 9am. Mostly sunny, with a temperature falling to around 0 by 5pm. North wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon.

    High: 14 °F⇓

    Areas Blowing
    Snow

  • Thursday Night

    Thursday Night: Areas of blowing snow. Partly cloudy, with a low around -6. Wind chill values as low as -35. North wind 30 to 40 mph, with gusts as high as 45 mph.

    Low: -6 °F

    Areas Blowing
    Snow

  • Friday

    Friday: Areas of blowing snow. Sunny, with a high near 6. Wind chill values as low as -35. North wind 35 to 40 mph decreasing to 30 to 35 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 6 °F

    Areas Blowing
    Snow

  • Friday Night

    Friday Night: Areas of blowing snow before 9pm. Clear, with a low around -9. North wind 35 to 40 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.

    Low: -9 °F

    Areas Blowing
    Snow then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 4. North wind 15 to 25 mph.

    High: 4 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 20.

    High: 20 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow. Mostly cloudy, with a steady temperature around 15. North wind around 15 mph. Chance of precipitation is 20%.
Thursday
Areas of blowing snow after 9am. Mostly sunny, with a temperature falling to around 0 by 5pm. North wind 25 to 30 mph increasing to 35 to 40 mph in the afternoon.
Thursday Night
Areas of blowing snow. Partly cloudy, with a low around -6. Wind chill values as low as -35. North wind 30 to 40 mph, with gusts as high as 45 mph.
Friday
Areas of blowing snow. Sunny, with a high near 6. Wind chill values as low as -35. North wind 35 to 40 mph decreasing to 30 to 35 mph in the afternoon. Winds could gust as high as 45 mph.
Friday Night
Areas of blowing snow before 9pm. Clear, with a low around -9. North wind 35 to 40 mph decreasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph.
Saturday
Sunny, with a high near 4. North wind 15 to 25 mph.
Saturday Night
Mostly clear, with a low around -2.
Sunday
Mostly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 28.
Monday Night
A chance of snow. Mostly cloudy, with a low around 15.
Tuesday
A chance of snow. Mostly cloudy, with a high near 24.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 9.
Wednesday
A chance of snow. Mostly cloudy, with a high near 16.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
8:09 pm AKST Feb 18, 2026
Forecast Valid:
3am AKST Feb 19, 2026-6pm AKST Feb 25, 2026
 
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Additional Resources

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Chance of Precipitation