Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Portland, Portland International Airport (KPDX)

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

light rain,mist

14°C

57°F

Humidity	87%
Wind Speed	SSW 17 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	12°C (54°F)
Visibility	4.83 km
Last update	08 Dec 02:35 PM PST

More Information:

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

Extended Forecast for

Portland OR

Flood Watch until December 12, 04:00am

Wind Advisory until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch until December 12, 04:00am
Wind Advisory until December 9, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 14 °C
Rain and
Breezy
Tonight
Low: 10 °C
Rain and
Breezy
Tuesday
High: 14 °C
Rain
Tuesday Night
Low: 11 °C
Rain
Wednesday
High: 15 °C
Rain
Wednesday Night
Low: 13 °C
Rain
Thursday
High: 15 °C
Rain then
Chance Rain
Thursday Night
Low: 11 °C
Chance Rain
then Mostly
Cloudy

Detailed Forecast

This Afternoon

Rain, mainly before 5pm. High near 14. Breezy, with a south southwest wind 24 to 27 km/h, with gusts as high as 50 km/h. Chance of precipitation is 100%. New precipitation amounts between 5 and 7.5 mm possible.

Tonight

Rain, mainly after 8pm. Low around 10. Breezy, with a south southwest wind 23 to 29 km/h, with gusts as high as 60 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.

Tuesday

Rain. High near 14. North wind 10 to 13 km/h becoming south southwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.

Tuesday Night

Rain. Low around 11. South southwest wind 18 to 23 km/h, with gusts as high as 50 km/h. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 cm possible.

Wednesday

Rain. High near 15. South southwest wind 21 to 23 km/h, with gusts as high as 40 km/h. Chance of precipitation is 100%. New precipitation amounts between 7.5 mm and 1 cm possible.

Wednesday Night

Rain. Low around 13. Chance of precipitation is 90%.

Thursday

Rain, mainly before 10am. High near 15. Chance of precipitation is 80%.

Thursday Night

A chance of rain before 10pm. Mostly cloudy, with a low around 11.

Friday

Mostly cloudy, with a high near 14.

Friday Night

Mostly cloudy, with a low around 9.

Saturday

A chance of rain. Mostly cloudy, with a high near 13.