Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Mostly Cloudy

54°F

12°C

Humidity	76%
Wind Speed	SSW 5 MPH
Barometer	30.2 in (1022.69 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	07 Dec 06:35 PM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Portland OR

Flood Watch December 8, 04:00am until December 12, 04:00am

Wind Advisory December 8, 07:00am until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Tonight
Low: 49 °F
Chance
Showers then
Showers
Likely
Monday
High: 55 °F
Showers and
Breezy
Monday Night
Low: 48 °F
Rain and
Windy
Tuesday
High: 55 °F
Rain
Tuesday Night
Low: 51 °F
Rain and
Windy
Wednesday
High: 56 °F
Rain and
Breezy
Wednesday Night
Low: 52 °F
Rain
Thursday
High: 56 °F
Rain Likely
Thursday Night
Low: 50 °F
Chance Rain

Detailed Forecast

Tonight

Showers likely, mainly after 3am. Mostly cloudy, with a low around 49. South southwest wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Showers before 10am, then rain, mainly after 10am. High near 55. Breezy, with a south southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 48. Windy, with a south southwest wind 22 to 24 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 55. East northeast wind 6 to 9 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 51. Windy, with a south southwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday

Rain. High near 56. Breezy. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 52. Chance of precipitation is 90%.

Thursday

Rain likely, mainly before 4pm. Cloudy, with a high near 56.

Thursday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 50.

Friday

A slight chance of rain before 4pm. Mostly cloudy, with a high near 57.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 47.