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.

Overcast

11°F

-12°C

Humidity 88%
Wind Speed Calm
Barometer 29.16 in (987.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 13 Jan 11:53 pm AKST
Extended Forecast for

Alyeska AK

Winter Storm Watch January 15, 12:00am until January 16, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Overnight

    Overnight: Snow likely, mainly after 3am. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly before noon. High near 20. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 20 °F

    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly after 9pm. Temperature rising to around 28 by 5am. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F⇑

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow and sleet, possibly mixed with freezing rain before noon, then freezing rain between noon and 3pm, then rain after 3pm. The rain could be heavy at times. High near 33. East wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.

    High: 33 °F

    Wintry Mix

  • Thursday Night

    Thursday Night: Rain. The rain could be heavy at times. Low around 32. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 32 °F

    Heavy Rain

  • Friday

    Friday: Rain. High near 33. East wind 5 to 10 mph. Chance of precipitation is 100%.

    High: 33 °F

    Rain

  • Friday Night

    Friday Night: Rain before 9pm. Low around 22. Chance of precipitation is 90%.

    Low: 22 °F

    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow after 9am, mixing with rain after 3pm. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow. Cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 19. Calm wind. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, mainly before noon. High near 20. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, mainly after 9pm. Temperature rising to around 28 by 5am. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow and sleet, possibly mixed with freezing rain before noon, then freezing rain between noon and 3pm, then rain after 3pm. The rain could be heavy at times. High near 33. East wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
Rain. The rain could be heavy at times. Low around 32. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Friday
Rain. High near 33. East wind 5 to 10 mph. Chance of precipitation is 100%.
Friday Night
Rain before 9pm. Low around 22. Chance of precipitation is 90%.
Saturday
A chance of snow after 9am, mixing with rain after 3pm. Mostly cloudy, with a high near 32.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 28.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28.
M.L.King Day
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
10:00 pm AKST Jan 13, 2026
Forecast Valid:
12am AKST Jan 14, 2026-6pm AKST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation