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

36°F

2°C

Humidity 89%
Wind Speed E 7 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 17 Apr 4:53 am AKDT
Extended Forecast for

Alyeska AK

  • Overnight

    Overnight: Snow showers likely. Cloudy, with a low around 33. East wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely before 7am, then rain showers. High near 40. Light east wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Showers

  • Friday Night

    Friday Night: Rain showers likely before 10pm, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 32. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Scattered snow showers, mainly before 10am. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 30%.

    High: 40 °F

    Scattered
    Snow Showers
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of rain before 7pm, then rain and snow likely. Mostly cloudy, with a low around 32. East wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain and snow, becoming all rain after 1pm. High near 39. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 39 °F

    Rain/Snow

  • Sunday Night

    Sunday Night: Rain likely before 1am, then snow likely between 1am and 4am, then rain and snow likely after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow, becoming all rain after 4pm. Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow

  • Monday Night

    Monday Night: Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Cloudy, with a low around 29.

    Low: 29 °F

    Rain/Snow

Detailed Forecast

Overnight
Snow showers likely. Cloudy, with a low around 33. East wind around 5 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow showers likely before 7am, then rain showers. High near 40. Light east wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain showers likely before 10pm, then rain likely, possibly mixed with snow showers. Mostly cloudy, with a low around 32. East wind 5 to 10 mph becoming north after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
Scattered snow showers, mainly before 10am. Mostly cloudy, with a high near 40. Calm wind. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 7pm, then rain and snow likely. Mostly cloudy, with a low around 32. East wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday
Rain and snow, becoming all rain after 1pm. High near 39. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
Rain likely before 1am, then snow likely between 1am and 4am, then rain and snow likely after 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%.
Monday
Rain and snow, becoming all rain after 4pm. Cloudy, with a high near 39.
Monday Night
Rain before 10pm, then rain and snow between 10pm and 4am, then snow after 4am. Cloudy, with a low around 29.
Tuesday
Snow before 10am, then snow, possibly mixed with rain. Cloudy, with a high near 37.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 21.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 33.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Thursday
Rain and snow. Mostly cloudy, with a high near 38.
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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:
4:18 am AKDT Apr 17, 2026
Forecast Valid:
5am AKDT Apr 17, 2026-6pm AKDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation