Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Portland, Portland International Airport (KPDX)

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

Partly Cloudy

55°F

13°C

Humidity 68%
Wind Speed ESE 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 02 Mar 06:53 PM PST
Extended Forecast for

3 Miles NNW Lake Oswego OR

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am.  Increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 2pm.  Mostly cloudy, with a high near 55. South wind 6 to 9 mph.  Chance of precipitation is 60%.

    High: 55 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain.  Low around 47. South wind around 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 52. Southwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers.  Low around 42. Southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain.  High near 50. Chance of precipitation is 80%.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Cloudy, with a low around 43. Chance of precipitation is 70%.

    Low: 43 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly after 10am.  Cloudy, with a high near 51.

    High: 51 °F

    Rain Likely

  • Friday Night

    Friday Night: A chance of rain.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 46. Calm wind.
Tuesday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 55. South wind 6 to 9 mph. Chance of precipitation is 60%.
Tuesday Night
Rain. Low around 47. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 52. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers. Low around 42. Southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 50. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 10pm. Cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
Rain likely, mainly after 10am. Cloudy, with a high near 51.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Mostly cloudy, with a high near 56.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 43.
Monday
Rain likely. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lake Oswego OR
 45.46°N 122.71°W (Elev. 456 ft)
6:41 pm PST Mar 2, 2026
7pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
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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