Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36.0ft.

Overcast

42°F

6°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 02 Dec 01:53 AM PST
Extended Forecast for

3 Miles N Troutdale OR

  • Overnight

    Overnight: A 20 percent chance of showers after 3am.  Cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 10am.  Mostly cloudy, with a high near 47. Light south wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and midnight.  Otherwise, mostly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 4am.  Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely, mainly after 10am.  Cloudy, with a high near 48. Chance of precipitation is 70%.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain.  Low around 44. Chance of precipitation is 80%.

    Low: 44 °F

    Rain

  • Friday

    Friday: Rain.  Cloudy, with a high near 55.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Cloudy, with a low around 49.

    Low: 49 °F

    Rain

Detailed Forecast

Overnight
A 20 percent chance of showers after 3am. Cloudy, with a low around 39. Calm wind.
Tuesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 47. Light south wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 38. Calm wind.
Wednesday
Mostly cloudy, with a high near 48. Calm wind.
Wednesday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 39. Calm wind.
Thursday
Rain likely, mainly after 10am. Cloudy, with a high near 48. Chance of precipitation is 70%.
Thursday Night
Rain. Low around 44. Chance of precipitation is 80%.
Friday
Rain. Cloudy, with a high near 55.
Friday Night
Rain. Cloudy, with a low around 49.
Saturday
Rain. Cloudy, with a high near 54.
Saturday Night
Rain likely. Mostly cloudy, with a low around 48.
Sunday
Rain. Cloudy, with a high near 55.
Sunday Night
Rain likely. Mostly cloudy, with a low around 45.
Monday
Rain likely. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Troutdale OR
 45.59°N 122.38°W (Elev. 102 ft)
2:00 am PST Dec 2, 2025
2am PST Dec 2, 2025-6pm PST Dec 8, 2025
 
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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