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

17°F

-8°C

Humidity 92%
Wind Speed Calm
Barometer 30.03 in (1017.2 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 14 Jan 4:53 pm AKST
Extended Forecast for

6 Miles N Alyeska AK

Winter Weather Advisory January 15, 03:00am until January 16, 03:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Scattered snow showers before 9pm, then snow, mainly after 9pm. Areas of blowing snow after midnight. Temperature rising to around 23 by 5am. Southeast wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.

    Low: 16 °F⇑

    Chance Snow
    then Snow and
    Areas Blowing
    Snow

  • Thursday

    Thursday: Snow. Areas of blowing snow. High near 31. Southeast wind 45 to 55 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.

    High: 31 °F

    Snow and
    Areas Blowing
    Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Areas of blowing snow. Low around 28. East wind 40 to 45 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 28 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow, mainly before 3pm. The snow could be heavy at times. Areas of blowing snow before 3pm. High near 32. Southeast wind 35 to 45 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 80 mph. Chance of precipitation is 100%.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: A chance of snow before 9pm. Mostly cloudy, with a low around 20. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Cloudy, with a high near 31. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 31 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.

    Low: 26 °F

    Snow Likely

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before 3am. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Scattered snow showers before 9pm, then snow, mainly after 9pm. Areas of blowing snow after midnight. Temperature rising to around 23 by 5am. Southeast wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Snow. Areas of blowing snow. High near 31. Southeast wind 45 to 55 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.
Thursday Night
Snow. The snow could be heavy at times. Areas of blowing snow. Low around 28. East wind 40 to 45 mph, with gusts as high as 85 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Friday
Snow, mainly before 3pm. The snow could be heavy at times. Areas of blowing snow before 3pm. High near 32. Southeast wind 35 to 45 mph decreasing to 20 to 30 mph in the afternoon. Winds could gust as high as 80 mph. Chance of precipitation is 100%.
Friday Night
A chance of snow before 9pm. Mostly cloudy, with a low around 20. Southeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Saturday
Snow likely, mainly after noon. Cloudy, with a high near 31. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Sunday
A chance of snow. Mostly cloudy, with a high near 34.
Sunday Night
A chance of snow before 3am. Mostly cloudy, with a low around 26.
M.L.King Day
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
Partly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Alyeska AK
 61.05°N 149.11°W (Elev. 3422 ft)
Last Update:
4:46 pm AKST Jan 14, 2026
Forecast Valid:
5pm AKST Jan 14, 2026-6pm AKST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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