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.

Fair

54°F

12°C

Humidity 83%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 1 Aug 2:53 am AKDT
Extended Forecast for

Alyeska AK

Heat Advisory until August 1, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 1, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Overnight

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 70. Calm wind.

    High: 70 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. West wind around 5 mph becoming calm.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Calm wind becoming southeast around 5 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. East wind around 5 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain. The rain could be heavy at times. High near 60. Southeast wind 10 to 15 mph. Chance of precipitation is 80%.

    High: 60 °F

    Heavy Rain

  • Monday Night

    Monday Night: Rain before 10pm. Low around 50. Chance of precipitation is 90%.

    Low: 50 °F

    Rain then
    Cloudy

  • Tuesday

    Tuesday: Showers. Cloudy, with a high near 59.

    High: 59 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 48. Calm wind.
Saturday
Sunny, with a high near 70. Calm wind.
Saturday Night
Mostly clear, with a low around 49. West wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 69. Calm wind becoming southeast around 5 mph.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 50. East wind around 5 mph. Chance of precipitation is 60%.
Monday
Rain. The rain could be heavy at times. High near 60. Southeast wind 10 to 15 mph. Chance of precipitation is 80%.
Monday Night
Rain before 10pm. Low around 50. Chance of precipitation is 90%.
Tuesday
Showers. Cloudy, with a high near 59.
Tuesday Night
Showers. Cloudy, with a low around 50.
Wednesday
Showers likely. Cloudy, with a high near 60.
Wednesday Night
Showers likely. Cloudy, with a low around 50.
Thursday
Showers likely. Cloudy, with a high near 61.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
A chance of showers. Mostly cloudy, with a high near 62.
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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:
9:12 pm AKDT Jul 31, 2026
Forecast Valid:
3am AKDT Aug 1, 2026-6pm AKDT Aug 7, 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