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

Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

45°F

7°C

Humidity 52%
Wind Speed SE 9 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 29 Dec 03:35 PM PST
Extended Forecast for

2 Miles NNE Lake Oswego OR

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 45. Northeast wind around 6 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Areas of frost after 1am. Otherwise, partly cloudy, with a low around 36. Northeast wind around 6 mph.

    Low: 36 °F

    Mostly Cloudy
    then Areas
    Frost

  • Tuesday

    Tuesday: Areas of frost before 10am. Otherwise, sunny, with a high near 47. East northeast wind around 6 mph.

    High: 47 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Areas of frost after 11pm. Otherwise, mostly clear, with a low around 33. Light east northeast wind.

    Low: 33 °F

    Areas Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47. Light northeast wind.

    High: 47 °F

    Frost then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • New Year's Day

    New Year's Day: A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Friday

    Friday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 45. Northeast wind around 6 mph.
Tonight
Areas of frost after 1am. Otherwise, partly cloudy, with a low around 36. Northeast wind around 6 mph.
Tuesday
Areas of frost before 10am. Otherwise, sunny, with a high near 47. East northeast wind around 6 mph.
Tuesday Night
Areas of frost after 11pm. Otherwise, mostly clear, with a low around 33. Light east northeast wind.
Wednesday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47. Light northeast wind.
Wednesday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 37.
New Year's Day
A 40 percent chance of rain, mainly after 10am. Cloudy, with a high near 45.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40.
Friday
Rain. Cloudy, with a high near 49.
Friday Night
Rain likely. Mostly cloudy, with a low around 42.
Saturday
Rain likely. Mostly cloudy, with a high near 49.
Saturday Night
Rain likely. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Mostly cloudy, with a high near 50.
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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:
3:45 pm PST Dec 29, 2025
Forecast Valid:
3pm PST Dec 29, 2025-6pm PST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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