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

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

Rain

48°F

9°C

Humidity 100%
Wind Speed E 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Wind Chill46°F (8°C)
Last update 07 Dec 04:15 AM PST
Extended Forecast for

Happy Valley OR

Flood Watch December 8, 04:00am until December 12, 04:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Rain. Low around 47. Southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain

  • Sunday

    Sunday: Rain, mainly after 4pm. High near 53. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain and
    Breezy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 1am. Cloudy, with a low around 50. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 50 °F

    Rain Likely

  • Monday

    Monday: Rain. High near 55. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 55 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain. Low around 46. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 46 °F

    Rain and
    Windy

  • Tuesday

    Tuesday: Rain. High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 49. Windy. Chance of precipitation is 100%.

    Low: 49 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 54. Breezy.

    High: 54 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain. Cloudy, with a low around 47.

    Low: 47 °F

    Rain

Detailed Forecast

Overnight
Rain. Low around 47. Southeast wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain, mainly after 4pm. High near 53. Breezy, with a south southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly after 1am. Cloudy, with a low around 50. South southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 55. Breezy, with a south southwest wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 46. Windy, with a south southwest wind 21 to 26 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. High near 53. Chance of precipitation is 100%.
Tuesday Night
Rain. Low around 49. Windy. Chance of precipitation is 100%.
Wednesday
Rain. Cloudy, with a high near 54. Breezy.
Wednesday Night
Rain. Cloudy, with a low around 47.
Thursday
Rain likely, mainly before 10am. Mostly cloudy, with a high near 53.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45.
Saturday
A chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Valley OR
 45.44°N 122.52°W (Elev. 600 ft)
Last Update:
4:41 am PST Dec 7, 2025
Forecast Valid:
4am PST Dec 7, 2025-6pm PST Dec 13, 2025
 
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