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.

Overcast

52°F

11°C

Humidity	93%
Wind Speed	ESE 5 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	50°F (10°C)
Visibility	10.00 mi
Last update	08 Dec 03:00 AM PST

More Information:

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

Extended Forecast for

Portland OR

Flood Watch December 8, 10:00am 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

Overnight
Low: 50 °F
Rain Likely
Monday
High: 58 °F
Rain and
Breezy
Monday Night
Low: 50 °F
Rain and
Breezy
Tuesday
High: 58 °F
Rain
Tuesday Night
Low: 53 °F
Rain
Wednesday
High: 59 °F
Rain
Wednesday Night
Low: 55 °F
Rain
Thursday
High: 60 °F
Rain Likely
Thursday Night
Low: 50 °F
Chance Rain

Detailed Forecast

Overnight

Rain likely, mainly after 5am. Cloudy, with a low around 50. South wind around 6 mph. Chance of precipitation is 60%.

Monday

Rain. High near 58. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Monday Night

Rain. Low around 50. Breezy, with a south southwest wind 14 to 18 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 58. North wind around 8 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 53. South southwest wind 11 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday

Rain. High near 59. Chance of precipitation is 100%.

Wednesday Night

Rain. Low around 55. Chance of precipitation is 90%.

Thursday

Rain likely, mainly before 10am. Mostly cloudy, with a high near 60.

Thursday Night

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

Friday

Mostly cloudy, with a high near 58.

Friday Night

A slight chance of rain. Mostly cloudy, with a low around 46.