National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

A Few Clouds

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 30.45 in (1031.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Jan 1:53 am AKST
Extended Forecast for

10 Miles N Alyeska AK

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. South wind around 5 mph becoming calm.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 31. Southeast wind 5 to 15 mph increasing to 35 to 45 mph. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 28. Southeast wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow before 9am. Partly sunny, with a high near 32. Southeast wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26. Light east wind becoming northeast 5 to 10 mph in the evening.

    Low: 26 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 30. East wind 5 to 10 mph becoming south in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. South wind around 5 mph becoming calm.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 31. Southeast wind 5 to 15 mph increasing to 35 to 45 mph. Winds could gust as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 28. Southeast wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 9am. Partly sunny, with a high near 32. Southeast wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 26. Light east wind becoming northeast 5 to 10 mph in the evening.
M.L.King Day
Mostly sunny, with a high near 30. East wind 5 to 10 mph becoming south in the afternoon.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
Sunny, with a high near 24.
Thursday Night
Mostly clear, with a low around 12.
Friday
Mostly sunny, with a high near 20.
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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:
9:05 pm AKST Jan 16, 2026
Forecast Valid:
2am AKST Jan 17, 2026-6pm AKST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation