A Large Storm System Will Impact The Western U.S. This Weekend

A large storm system will deliver widespread impacts to the Western U.S. this weekend. Widespread heavy snow, heavy rain, strong thunderstorms and a number of coastal hazards will likely cause travel issues. The locally heavy rain in north-central California and southwest Oregon may cause flash flooding, especially near recent and vulnerable burn scar areas. Read More >

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

Lat: 45.55111°NLon: 122.40889°WElev: 36ft.

Mist

46°F

8°C

Humidity 88%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 42°F (6°C)
Visibility 2.00 mi
Last update 08 Dec 08:53 AM PST
Extended Forecast for

Happy Valley OR

Air Stagnation Advisory until December 10, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until December 10, 12:00pm

    NOW until
    12:00pm Tue

    Air Stagnation Advisory

  • Today

    Today: Areas of drizzle before 1pm.  Areas of fog before 1pm, then patchy fog after 5pm.  Otherwise, mostly cloudy, with a high near 47. Light and variable wind.

    Areas Drizzle
    and Areas Fog

    High: 47 °F

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.

    Patchy Fog

    Low: 40 °F

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 45. East northeast wind around 7 mph.

    Decreasing
    Clouds

    High: 45 °F

  • Monday
    Night

    Monday Night: Increasing clouds, with a low around 38. East wind 7 to 13 mph.

    Increasing
    Clouds

    Low: 38 °F

  • Tuesday

    Tuesday: A 50 percent chance of rain.  Cloudy, with a high near 46. East wind around 13 mph.

    Chance Rain

    High: 46 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 42.

    Chance
    Showers

    Low: 42 °F

  • Wednesday

    Wednesday: A 30 percent chance of rain after 10am.  Cloudy, with a high near 49.

    Chance Rain

    High: 49 °F

  • Wednesday
    Night

    Wednesday Night: Rain, mainly after 10pm.  Cloudy, with a low around 44.

    Rain

    Low: 44 °F

Detailed Forecast

Today
Areas of drizzle before 1pm. Areas of fog before 1pm, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 47. Light and variable wind.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming northeast around 5 mph after midnight.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 45. East northeast wind around 7 mph.
Monday Night
Increasing clouds, with a low around 38. East wind 7 to 13 mph.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 46. East wind around 13 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 42.
Wednesday
A 30 percent chance of rain after 10am. Cloudy, with a high near 49.
Wednesday Night
Rain, mainly after 10pm. Cloudy, with a low around 44.
Thursday
Rain. Cloudy, with a high near 50.
Thursday Night
Rain likely before 10pm, then showers likely after 10pm. Cloudy, with a low around 45.
Friday
Showers likely. Cloudy, with a high near 50.
Friday Night
Showers likely. Cloudy, with a low around 41.
Saturday
Rain likely. Mostly cloudy, with a high near 47.
Click Map For Forecast
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
9:01 am PST Dec 8, 2019
9am PST Dec 8, 2019-6pm PST Dec 14, 2019
 
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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