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.

Overcast

12°F

-11°C

Humidity 73%
Wind Speed Vrbl 5 mph
Barometer 29.54 in (1000.4 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 12 Jan 2:53 pm AKST
Extended Forecast for

4 Miles NNW Alyeska AK

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 12. Southeast wind around 10 mph.

    High: 12 °F

    Partly Sunny

  • Tonight

    Tonight: Scattered snow showers, mainly after 3am. Mostly cloudy, with a temperature rising to around 16 by 4am. Southeast wind around 15 mph. Chance of precipitation is 40%.

    Low: 8 °F⇑

    Scattered
    Snow Showers

  • Tuesday

    Tuesday: Snow likely before 9am, then scattered snow showers, mainly between 9am and 3pm. Mostly cloudy, with a high near 20. Southeast wind around 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Snow Likely
    then
    Scattered
    Snow Showers

  • Tuesday Night

    Tuesday Night: Isolated snow showers before 9pm, then scattered snow showers after midnight. Mostly cloudy, with a low around 15. Northeast wind 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 40%.

    Low: 15 °F

    Mostly Cloudy
    then
    Scattered
    Snow Showers

  • Wednesday

    Wednesday: Snow likely, mainly before noon, then scattered snow showers after 3pm. Mostly cloudy, with a high near 17. South wind 5 to 15 mph becoming west in the morning. Chance of precipitation is 70%.

    High: 17 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Scattered snow showers before midnight, then snow, mainly after midnight. Low around 12. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 12 °F

    Scattered
    Snow Showers
    then Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Chance of precipitation is 100%.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow. The snow could be heavy at times. Areas of blowing snow before 9pm. Cloudy, with a low around 30.

    Low: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Friday

    Friday: Snow. Cloudy, with a high near 34.

    High: 34 °F

    Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 12. Southeast wind around 10 mph.
Tonight
Scattered snow showers, mainly after 3am. Mostly cloudy, with a temperature rising to around 16 by 4am. Southeast wind around 15 mph. Chance of precipitation is 40%.
Tuesday
Snow likely before 9am, then scattered snow showers, mainly between 9am and 3pm. Mostly cloudy, with a high near 20. Southeast wind around 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Isolated snow showers before 9pm, then scattered snow showers after midnight. Mostly cloudy, with a low around 15. Northeast wind 10 to 15 mph becoming northwest 5 to 10 mph after midnight. Chance of precipitation is 40%.
Wednesday
Snow likely, mainly before noon, then scattered snow showers after 3pm. Mostly cloudy, with a high near 17. South wind 5 to 15 mph becoming west in the morning. Chance of precipitation is 70%.
Wednesday Night
Scattered snow showers before midnight, then snow, mainly after midnight. Low around 12. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Chance of precipitation is 100%.
Thursday Night
Snow. The snow could be heavy at times. Areas of blowing snow before 9pm. Cloudy, with a low around 30.
Friday
Snow. Cloudy, with a high near 34.
Friday Night
Snow, mainly before 3am. Mostly cloudy, with a low around 16.
Saturday
A chance of snow. Mostly cloudy, with a high near 24.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 17.
Sunday
A chance of snow. Cloudy, with a high near 23.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Alyeska AK
 61.02°N 149.17°W (Elev. 3599 ft)
Last Update:
2:54 pm AKST Jan 12, 2026
Forecast Valid:
3pm AKST Jan 12, 2026-6pm AKST Jan 18, 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