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 48%
Wind Speed Vrbl 6 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 1 Aug 2:53 pm AKDT
Extended Forecast for

12 Miles NNE Alyeska AK

Heat Advisory August 1, 03:34pm until August 1, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 1, 03:34pm until August 1, 09:00pm

    NOW until 9:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 62 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North wind around 5 mph becoming calm.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 52. South wind around 5 mph.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 4am. Increasing clouds, with a low around 38. Southeast wind 5 to 15 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain. High near 43. Southeast wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.

    High: 43 °F

    Rain

  • Monday Night

    Monday Night: Rain. The rain could be heavy at times. Low around 38. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.

    Low: 38 °F

    Heavy Rain

  • Tuesday

    Tuesday: Rain. High near 45. Chance of precipitation is 100%.

    High: 45 °F

    Rain

  • Tuesday Night

    Tuesday Night: Showers. Cloudy, with a low around 36.

    Low: 36 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 62. North wind around 5 mph.
Tonight
Mostly clear, with a low around 46. North wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 52. South wind around 5 mph.
Sunday Night
Rain likely, mainly after 4am. Increasing clouds, with a low around 38. Southeast wind 5 to 15 mph. Chance of precipitation is 60%.
Monday
Rain. High near 43. Southeast wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Monday Night
Rain. The rain could be heavy at times. Low around 38. Southeast wind 25 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%.
Tuesday
Rain. High near 45. Chance of precipitation is 100%.
Tuesday Night
Showers. Cloudy, with a low around 36.
Wednesday
Showers. Cloudy, with a high near 40.
Wednesday Night
Showers likely. Cloudy, with a low around 36.
Thursday
Showers likely. Cloudy, with a high near 40.
Thursday Night
Showers likely. Cloudy, with a low around 36.
Friday
A chance of showers. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Alyeska AK
 61.1°N 148.94°W (Elev. 5584 ft)
Last Update:
1:15 pm AKDT Aug 1, 2026
Forecast Valid:
3pm 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