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

38°F

3°C

Humidity 86%
Wind Speed NA
Barometer 29.69 in (1005.4 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Nov 3:53 pm AKST
Extended Forecast for

Alyeska AK

  • This Afternoon

    This Afternoon: Rain and snow showers likely. Mostly cloudy, with a high near 34. East wind around 5 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 34 °F

    Rain/Snow
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. East wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 29. East wind around 5 mph. Chance of precipitation is 20%.

    High: 29 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, mainly after 9pm. Low around 26. East wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    Low: 26 °F

    Rain/Snow

  • Thursday

    Thursday: Rain. The rain could be heavy at times. High near 36. East wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    High: 36 °F

    Heavy Rain

  • Thursday Night

    Thursday Night: Rain before 9pm, then snow. Low around 31. Southeast wind 5 to 15 mph. Chance of precipitation is 80%.

    Low: 31 °F

    Rain/Snow
    then Snow

  • Friday

    Friday: Snow. High near 37. Chance of precipitation is 80%.

    High: 37 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 3am. Cloudy, with a low around 28.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 33.

    High: 33 °F

    Chance Snow

Detailed Forecast

This Afternoon
Rain and snow showers likely. Mostly cloudy, with a high near 34. East wind around 5 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 27. East wind around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow showers before 3pm, then a slight chance of rain and snow showers. Mostly sunny, with a high near 29. East wind around 5 mph. Chance of precipitation is 20%.
Wednesday Night
Rain and snow, mainly after 9pm. Low around 26. East wind 10 to 15 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Thursday
Rain. The rain could be heavy at times. High near 36. East wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Thursday Night
Rain before 9pm, then snow. Low around 31. Southeast wind 5 to 15 mph. Chance of precipitation is 80%.
Friday
Snow. High near 37. Chance of precipitation is 80%.
Friday Night
Snow likely, mainly before 3am. Cloudy, with a low around 28.
Saturday
A chance of snow. Mostly cloudy, with a high near 33.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 18.
Sunday
A chance of snow. Partly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alyeska AK
 60.97°N 149.11°W (Elev. 197 ft)
Last Update:
4:01 pm AKST Nov 18, 2025
Forecast Valid:
4pm AKST Nov 18, 2025-6pm AKST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation