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

Flood Watch in effect from December 8, 10:00 AM PST until December 12, 04:00 AM PST

Current conditions at

Portland, Portland-Troutdale Airport (KTTD)

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

light rain,mist

57°F

14°C

Humidity	89%
Wind Speed	SSW 12 MPH
Barometer	30.09 in (1018.96 mb)
Dewpoint	54°F (12°C)
Visibility	6.00 mi
Last update	08 Dec 02:53 PM PST

More Information:

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

Extended Forecast for

3 Miles N Bridal Veil OR

Flood Watch until December 12, 04:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 04:00am
NOW until 4:00am Fri
Flood Watch
This Afternoon
High: 55 °F
Rain and Very
Windy
Tonight
Low: 48 °F
Heavy Rain
and Very
Windy
Tuesday
High: 55 °F
Rain and
Breezy
Tuesday Night
Low: 50 °F
Rain and Very
Windy
Wednesday
High: 57 °F
Rain and Very
Windy
Wednesday Night
Low: 52 °F
Rain and
Windy
Thursday
High: 55 °F
Rain and
Breezy
Thursday Night
Low: 51 °F
Chance Rain

Detailed Forecast

This Afternoon

Rain. High near 55. Very windy, with a southwest wind around 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Tonight

Rain. The rain could be heavy at times. Low around 48. Very windy, with a southwest wind 33 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday

Rain. High near 55. Breezy, with a south southwest wind 11 to 16 mph becoming east southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Tuesday Night

Rain. Low around 50. Very windy, with a southwest wind 23 to 32 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday

Rain. High near 57. Very windy, with a southwest wind 25 to 33 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Night

Rain. Low around 52. Windy. Chance of precipitation is 100%.

Thursday

Rain, mainly before 4pm. High near 55. Breezy. Chance of precipitation is 80%.

Thursday Night

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

Friday

A slight chance of rain before 10am. Mostly cloudy, with a high near 56.

Friday Night

Mostly cloudy, with a low around 46.

Saturday

A chance of rain. Partly sunny, with a high near 55.