National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Portage, Portage Glacier (PATO)

Lat: 60.78°NLon: 148.83°WElev: 95ft.

Fair

48°F

9°C

Humidity 86%
Wind Speed W 5 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 17 Aug 4:53 am AKDT
Extended Forecast for

3 Miles WNW Girdwood AK

  • Today

    Today: Sunny, with a high near 66. Calm wind becoming northwest around 5 mph in the morning.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers after 4pm. Partly sunny, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 10%.

    High: 64 °F

    Partly Sunny
    then Isolated
    Showers

  • Monday Night

    Monday Night: Scattered showers, mainly between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 48. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 59. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 7pm. Low around 48. South wind around 5 mph becoming east after midnight. Chance of precipitation is 80%.

    Low: 48 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain after 10am. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely, mainly after 10am. Cloudy, with a high near 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 66. Calm wind becoming northwest around 5 mph in the morning.
Tonight
Mostly clear, with a low around 46. Calm wind becoming east around 5 mph after midnight.
Monday
Isolated showers after 4pm. Partly sunny, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 10%.
Monday Night
Scattered showers, mainly between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 48. East wind 5 to 10 mph. Chance of precipitation is 30%.
Tuesday
Rain, mainly after 10am. High near 59. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 80%.
Tuesday Night
Rain, mainly before 7pm. Low around 48. South wind around 5 mph becoming east after midnight. Chance of precipitation is 80%.
Wednesday
A chance of rain after 10am. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Thursday
Rain likely, mainly after 10am. Cloudy, with a high near 64.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 65.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47.
Saturday
A chance of rain. Mostly cloudy, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Girdwood AK
 60.94°N 149.22°W (Elev. 1138 ft)
Last Update:
3:25 am AKDT Aug 17, 2025
Forecast Valid:
5am AKDT Aug 17, 2025-6pm AKDT Aug 23, 2025
 
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