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

73°F

23°C

Humidity 46%
Wind Speed E 7 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 31 Jul 4:53 pm AKDT
Extended Forecast for

8 Miles NNW 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

  • This Afternoon

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. East wind around 5 mph becoming calm.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 41. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain. The rain could be heavy at times. High near 46. Chance of precipitation is 80%.

    High: 46 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers. Cloudy, with a low around 39.

    Low: 39 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Mostly clear, with a low around 47. Calm wind.
Saturday
Sunny, with a high near 58. East wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 41. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday
Rain. The rain could be heavy at times. High near 46. Chance of precipitation is 80%.
Monday Night
Showers. Cloudy, with a low around 39.
Tuesday
Showers. Cloudy, with a high near 45.
Tuesday Night
Showers likely. Cloudy, with a low around 39.
Wednesday
Showers likely. Cloudy, with a high near 45.
Wednesday Night
A chance of showers. Cloudy, with a low around 40.
Thursday
A chance of showers. Cloudy, with a high near 47.
Thursday Night
A chance of showers. Cloudy, with a low around 39.
Friday
A chance of showers. Cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNW Alyeska AK
 61.08°N 149.16°W (Elev. 4245 ft)
Last Update:
1:23 pm AKDT Jul 31, 2026
Forecast Valid:
5pm AKDT Jul 31, 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