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

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

Lat: 45.59578°NLon: 122.60917°WElev: 20.0ft.

Clear

45°F

7°C

Humidity 48%
Wind Speed SE 13 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 30 Dec 05:35 PM PST
Extended Forecast for

2 Miles NNE Lake Oswego OR

  • Tonight

    Tonight: Areas of frost after 10pm. Otherwise, increasing clouds, with a low around 34. Northeast wind 3 to 6 mph.

    Low: 34 °F

    Areas Frost

  • Wednesday

    Wednesday: Areas of frost between 8am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Light east northeast wind.

    High: 48 °F

    Areas Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of frost after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Areas Frost

  • New Year's Day

    New Year's Day: Rain likely, mainly after 4pm. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%.

    High: 45 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: Rain. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 4am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain

Detailed Forecast

Tonight
Areas of frost after 10pm. Otherwise, increasing clouds, with a low around 34. Northeast wind 3 to 6 mph.
Wednesday
Areas of frost between 8am and 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Light east northeast wind.
Wednesday Night
Areas of frost after 10pm. Otherwise, mostly cloudy, with a low around 35. Calm wind.
New Year's Day
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 45. Calm wind. Chance of precipitation is 60%.
Thursday Night
Rain. Low around 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 49. Chance of precipitation is 80%.
Friday Night
Rain. Low around 42. Chance of precipitation is 80%.
Saturday
Rain. Mostly cloudy, with a high near 51.
Saturday Night
Rain, mainly before 4am. Mostly cloudy, with a low around 43.
Sunday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41.
Monday
A chance of rain. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Lake Oswego OR
 45.44°N 122.68°W (Elev. 200 ft)
Last Update:
5:41 pm PST Dec 30, 2025
Forecast Valid:
5pm PST Dec 30, 2025-6pm PST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation