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

72°F

22°C

Humidity 50%
Wind Speed Vrbl 3 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 1 Aug 4:53 pm AKDT
Extended Forecast for

7 Miles NNW Alyeska AK

Heat Advisory August 1, 05:49pm until August 1, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 1, 05:49pm until August 1, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • Tonight

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 1am. Increasing clouds, with a steady temperature around 47. South wind 15 to 25 mph. Chance of precipitation is 40%.

    Low: 47 °F

    Chance Rain

  • Monday

    Monday: Rain. High near 46. Southeast wind 35 to 40 mph. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times. Low around 39. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 39 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain. High near 46. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    High: 46 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 10am. Cloudy, with a high near 43.

    High: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 1am. Increasing clouds, with a steady temperature around 47. South wind 15 to 25 mph. Chance of precipitation is 40%.
Monday
Rain. High near 46. Southeast wind 35 to 40 mph. Chance of precipitation is 90%.
Monday Night
Rain. The rain could be heavy at times. Low around 39. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Tuesday
Rain. High near 46. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Tuesday Night
Showers. Low around 35. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 10am. Cloudy, with a high near 43.
Wednesday Night
Showers likely, mainly after 4am. Cloudy, with a low around 35.
Thursday
Showers likely, mainly before 10am. Cloudy, with a high near 42.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 35.
Friday
A chance of showers. Mostly cloudy, with a high near 42.
Friday Night
A chance of showers. Cloudy, with a low around 35.
Saturday
A chance of showers. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Alyeska AK
 61.05°N 149.17°W (Elev. 5531 ft)
Last Update:
1:15 pm AKDT Aug 1, 2026
Forecast Valid:
5pm AKDT Aug 1, 2026-6pm AKDT Aug 8, 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