Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

Rain

56°F

13°C

Humidity	86%
Wind Speed	SSW 20 MPH
Barometer	30.05 in (1017.61 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	08 Dec 10:53 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, 11:04pm until December 12, 04:00am

Wind Advisory December 8, 11:04pm until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 8, 11:04pm until December 12, 04:00am
Wind Advisory December 8, 11:04pm until December 9, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 50 °F
Rain and
Breezy
Tuesday
High: 57 °F
Rain
Tuesday Night
Low: 56 °F
Rain
Wednesday
High: 59 °F
Rain
Wednesday Night
Low: 55 °F
Rain
Thursday
High: 59 °F
Rain then
Chance Rain
Thursday Night
Low: 51 °F
Chance Rain
then Mostly
Cloudy
Friday
High: 58 °F
Mostly Cloudy

Detailed Forecast

Tonight

Rain. Low around 50. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Tuesday

Rain. High near 57. North wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Tuesday Night

Rain. Steady temperature around 56. South southwest wind 11 to 14 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday

Rain. High near 59. South southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Low around 55. South southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Rain, mainly before 10am. High near 59. Chance of precipitation is 80%.

Thursday Night

A 30 percent chance of rain before 10pm. Mostly cloudy, with a low around 51.

Friday

Mostly cloudy, with a high near 58.

Friday Night

Mostly cloudy, with a low around 48.

Saturday

A chance of rain after 10am. Mostly cloudy, with a high near 55.

Saturday Night

Rain likely. Mostly cloudy, with a low around 48.