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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Clear

46°F

8°C

Humidity 75%
Wind Speed NE 3 MPH
Barometer 30.48 in (1032.17 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 09 Jan 01:00 PM PST
Extended Forecast for

2 Miles E Lake Oswego OR

Air Stagnation Advisory until January 11, 10:00am
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 11, 10:00am

    NOW until 10:00am Sun

    Air Stagnation Advisory

  • This Afternoon

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers. Mostly cloudy, with a high near 51. Light south wind.

    High: 51 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 51. Calm wind.
Tonight
Mostly cloudy, with a low around 39. Calm wind.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 51. Calm wind.
Saturday Night
A 20 percent chance of showers after 10pm. Mostly cloudy, with a low around 40. Calm wind.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 51. Light south wind.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 54.
Monday Night
A slight chance of showers before 10pm. Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Lake Oswego OR
 45.42°N 122.67°W (Elev. 200 ft)
Last Update:
1:05 pm PST Jan 9, 2026
Forecast Valid:
1pm PST Jan 9, 2026-6pm PST Jan 15, 2026
 
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