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.

Partly Cloudy

46°F

8°C

Humidity 51%
Wind Speed Vrbl 3 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Apr 5:53 pm AKDT
Extended Forecast for

6 Miles N Alyeska AK

  • Tonight

    Tonight: Snow likely, mainly after 1am. Mostly cloudy, with a low around 27. West wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Slight Chance
    Snow then
    Snow Likely

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 33. Southeast wind 30 to 35 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.

    High: 33 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 7pm, then scattered snow showers after 1am. Mostly cloudy, with a low around 26. Southeast wind 5 to 15 mph becoming southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Likely

  • Monday

    Monday: Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 70%.

    High: 33 °F

    Snow Showers
    Likely

  • Monday Night

    Monday Night: Snow showers, mainly before 1am, then snow likely after 1am. Low around 24. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.

    Low: 24 °F

    Snow Showers

  • Tuesday

    Tuesday: Snow likely before 10am, then a chance of snow after 4pm. Mostly cloudy, with a high near 36. North wind around 5 mph becoming south in the morning. Chance of precipitation is 70%.

    High: 36 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.

    Low: 27 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow. Cloudy, with a high near 36.

    High: 36 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. Cloudy, with a low around 32.

    Low: 32 °F

    Snow

Detailed Forecast

Tonight
Snow likely, mainly after 1am. Mostly cloudy, with a low around 27. West wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 33. Southeast wind 30 to 35 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 8 inches possible.
Sunday Night
Snow likely, mainly before 7pm, then scattered snow showers after 1am. Mostly cloudy, with a low around 26. Southeast wind 5 to 15 mph becoming southwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow showers likely, mainly after 10am. Mostly cloudy, with a high near 33. Southwest wind 5 to 10 mph becoming southeast in the morning. Chance of precipitation is 70%.
Monday Night
Snow showers, mainly before 1am, then snow likely after 1am. Low around 24. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%.
Tuesday
Snow likely before 10am, then a chance of snow after 4pm. Mostly cloudy, with a high near 36. North wind around 5 mph becoming south in the morning. Chance of precipitation is 70%.
Tuesday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Wednesday
Snow. Cloudy, with a high near 36.
Wednesday Night
Snow. Cloudy, with a low around 32.
Thursday
Snow. Cloudy, with a high near 37.
Thursday Night
Snow. Cloudy, with a low around 32.
Friday
Snow. Cloudy, with a high near 37.
Friday Night
Snow. Cloudy, with a low around 31.
Saturday
Snow. Cloudy, with a high near 37.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Alyeska AK
 61.05°N 149.11°W (Elev. 3422 ft)
Last Update:
3:27 pm AKDT Apr 18, 2026
Forecast Valid:
6pm AKDT Apr 18, 2026-6pm AKDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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